:root{--bg: #ffffff;--bg-subtle: #fafafa;--bg-sunken: #f5f5f7;--text: #1a1a1c;--text-secondary: #6b7280;--text-tertiary: #9aa0a6;--border: #ececec;--border-strong: #e0e0e0;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px rgba(0, 0, 0, .05), 0 1px 3px rgba(0, 0, 0, .03);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .07), 0 2px 8px rgba(0, 0, 0, .03);--radius-sm: 10px;--radius: 14px;--radius-lg: 20px;--container: 1200px;--header-h: 60px;--ease: cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Segoe UI,Meiryo,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit;cursor:pointer}h1,h2,h3,p,ul,figure{margin:0}ul{list-style:none;padding:0}:focus-visible{outline:2px solid #111;outline-offset:2px;border-radius:4px}.site{display:flex;flex-direction:column;min-height:100vh}main{flex:1}.container{width:100%;max-width:var(--container);margin:0 auto;padding-inline:clamp(20px,5vw,40px)}.section{padding-block:clamp(40px,7vw,72px)}.brand{font-weight:700;letter-spacing:.02em;font-size:1.05rem}.brand__logo{display:block;height:34px;width:auto}@media (max-width: 767px){.brand__logo{height:30px}}.brand__logo--footer{mix-blend-mode:multiply}.tag{display:inline-flex;align-items:center;height:24px;padding-inline:10px;font-size:.72rem;font-weight:600;color:var(--text-secondary);background:var(--bg-sunken);border-radius:999px;white-space:nowrap}.badge{display:inline-flex;align-items:center;height:24px;padding-inline:10px;font-size:.7rem;font-weight:700;letter-spacing:.06em;border-radius:6px}.badge--accent{color:#fff;background:var(--accent, #111)}.badge--soft{color:var(--text-secondary);background:var(--bg-sunken)}.badge--status{color:var(--text-secondary);background:#fff;border:1px solid var(--border-strong)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding-inline:22px;border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid transparent;transition:transform .15s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease)}.btn--primary{color:#fff;background:#111}.btn--primary:hover{background:#000;transform:translateY(-1px)}.btn--secondary{color:var(--text);background:#fff;border:1px solid var(--border-strong)}.btn--secondary:hover{border-color:#111;transform:translateY(-1px)}.btn:active{transform:translateY(0)}.appstore-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding-inline:18px;border-radius:999px;font-weight:600;font-size:.9rem;transition:transform .15s var(--ease),background .2s var(--ease),border-color .2s var(--ease)}.appstore-btn--primary{color:#fff;background:#111}.appstore-btn--primary:hover{background:#000;transform:translateY(-1px)}.appstore-btn--ghost{color:var(--text);background:#fff;border:1px solid var(--border-strong)}.appstore-btn--ghost:hover{border-color:#111}.appstore-btn.is-disabled{color:var(--text-tertiary);background:var(--bg-sunken);border:1px solid var(--border);cursor:default}.app-icon{aspect-ratio:1 / 1;object-fit:cover;flex-shrink:0;border-radius:22.37%;box-shadow:inset 0 0 0 1px #0000000f,0 1px 3px #0000000f;background:var(--bg-sunken)}.app-icon--placeholder{display:flex;align-items:center;justify-content:center;line-height:1;-webkit-user-select:none;user-select:none;background:linear-gradient(145deg,#eef0f3,#dfe2e7);color:#aeb4bd}.site-header{position:sticky;top:0;z-index:50;background:#ffffffd1;backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--border);padding-top:env(safe-area-inset-top)}.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}.nav--desktop{display:flex;align-items:center;gap:4px}.nav__link{padding:8px 14px;border-radius:8px;font-size:.9rem;color:var(--text-secondary);transition:color .2s var(--ease),background .2s var(--ease)}.nav__link:hover{color:var(--text);background:var(--bg-sunken)}.nav__link.is-active{color:var(--text)}.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0;background:none;border:none}.hamburger span{display:block;width:22px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform .25s var(--ease),opacity .2s var(--ease)}.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger.is-open span:nth-child(2){opacity:0}.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-menu{position:fixed;top:calc(var(--header-h) + env(safe-area-inset-top));left:0;right:0;z-index:45;background:#fff;border-bottom:1px solid var(--border);transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .2s var(--ease),transform .2s var(--ease)}.mobile-menu.is-open{opacity:1;transform:translateY(0);pointer-events:auto}.mobile-menu__nav{display:flex;flex-direction:column;padding:8px clamp(20px,5vw,40px) 16px}.mobile-menu__link{padding:14px 4px;font-size:1rem;border-bottom:1px solid var(--border)}.mobile-menu__link:last-child{border-bottom:none}.menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#0000001f}.section-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:clamp(20px,3vw,28px)}.section-title{font-size:clamp(1.25rem,2.4vw,1.6rem);font-weight:700;letter-spacing:.01em}.section-subtitle{margin-top:4px;color:var(--text-secondary);font-size:.92rem}.section-more{flex-shrink:0;font-size:.9rem;font-weight:600;color:var(--text-secondary);transition:color .2s var(--ease)}.section-more:hover{color:var(--text)}.hero{padding-block:clamp(48px,8vw,100px);background:#fff}.hero__inner{display:grid;grid-template-columns:minmax(0,44fr) minmax(0,56fr);align-items:center;gap:clamp(28px,5vw,56px)}.hero__brand{display:inline-block;margin-bottom:16px;font-size:.8rem;font-weight:700;letter-spacing:.16em;color:var(--text-tertiary)}.hero__title{font-size:clamp(2rem,4.2vw,3.2rem);font-weight:200;line-height:1.5;letter-spacing:.05em;color:var(--text);white-space:nowrap}.hero__divider{display:block;width:56px;height:1px;margin:30px 0 24px;background:#111}.hero__lead{margin-top:0;max-width:30em;color:var(--text-secondary);font-size:clamp(.98rem,1.6vw,1.1rem)}.hero__cta{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}.hero__cta .btn{border-radius:10px}.hero__visual{display:flex;justify-content:center;align-items:center;min-width:0}.hero__image{display:block;width:100%;max-width:700px;height:auto;object-fit:contain}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}.featured{position:relative;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:clamp(24px,4vw,48px);padding:clamp(28px,4vw,48px);border:1px solid var(--border);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-md);overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}.featured:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.featured__glow{position:absolute;top:-30%;left:-10%;width:460px;height:460px;background:radial-gradient(circle,color-mix(in srgb,var(--accent) 34%,transparent) 0%,transparent 66%);filter:blur(20px);pointer-events:none}.featured__icon,.featured__body{position:relative;z-index:1}.featured__badges{display:flex;align-items:center;gap:8px;margin-bottom:14px}.featured__name{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800}.featured__desc{margin-top:12px;max-width:42em;color:var(--text-secondary);font-size:1rem}.featured__cta{display:flex;align-items:center;gap:18px;margin-top:24px;flex-wrap:wrap}.featured__detail-link{font-size:.9rem;font-weight:600;color:var(--text-secondary)}.scroll-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.app-card{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}.app-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}.app-card__main{display:flex;gap:14px;padding:18px}.app-card__body{min-width:0;flex:1}.app-card__head{display:flex;align-items:center;gap:8px;justify-content:space-between}.app-card__name{font-size:1rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-card__desc{margin-top:6px;color:var(--text-secondary);font-size:.88rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.app-card__desc--todo{color:var(--text-tertiary)}.app-card__foot{margin-top:auto;padding:0 18px 18px}.app-card__foot .appstore-btn{width:100%}.app-card__more{display:inline-flex;align-items:center;gap:4px;min-height:44px;font-size:.88rem;font-weight:600;color:var(--text-secondary);transition:color .2s var(--ease)}.app-card__more:hover{color:var(--text)}.app-card--large .app-card__main{padding:22px;gap:16px}.app-card--large .app-card__name{font-size:1.08rem}.app-card--large .app-card__desc{font-size:.94rem;margin-top:8px}.app-card--large .app-card__foot{padding:0 22px 22px}.category-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.category-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 12px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;text-align:center;transition:background .2s var(--ease),border-color .2s var(--ease)}.category-card:hover{background:var(--bg-subtle);border-color:var(--border-strong)}.category-card__icon{color:var(--text);opacity:.75}.category-card__name{font-size:.88rem;font-weight:600}.category-card__count{font-size:.78rem;color:var(--text-tertiary)}.popular-list{border:1px solid var(--border);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--shadow-sm)}.popular-list li+li .popular-row{border-top:1px solid var(--border)}.popular-row{display:grid;grid-template-columns:48px 180px 1fr auto auto;align-items:center;gap:16px;padding:14px 18px;transition:background .15s var(--ease)}.popular-row:hover{background:var(--bg-subtle)}.popular-row__name{font-weight:700;font-size:.98rem;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.popular-row__desc{color:var(--text-secondary);font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.popular-row__arrow{color:var(--text-tertiary);font-size:1rem}.news-list{border-top:1px solid var(--border)}.news-row{border-bottom:1px solid var(--border)}.news-row__link{display:flex;align-items:center;gap:16px;padding:16px 4px;transition:opacity .15s var(--ease)}a.news-row__link:hover{opacity:.65}.news-row__date{flex-shrink:0;font-variant-numeric:tabular-nums;color:var(--text-tertiary);font-size:.85rem;min-width:84px}.news-row__title{font-size:.95rem}.site-footer{margin-top:auto;border-top:1px solid var(--border);background:var(--bg-subtle);padding-top:40px;padding-bottom:calc(24px + env(safe-area-inset-bottom))}.site-footer__inner{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap}.site-footer__tagline{margin-top:8px;color:var(--text-secondary);font-size:.9rem}.site-footer__links{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:flex-start;font-size:.9rem}.site-footer__links a{color:var(--text-secondary);transition:color .2s var(--ease)}.site-footer__links a:hover{color:var(--text)}.site-footer__links a[aria-disabled=true]{color:var(--text-tertiary);cursor:default}.site-footer__copy{margin-top:28px;color:var(--text-tertiary);font-size:.8rem}.page{padding-block:clamp(28px,5vw,52px)}.page-head{margin-bottom:clamp(20px,3vw,32px)}.page-title{font-size:clamp(1.6rem,3.4vw,2.2rem);font-weight:800}.page-lead{margin-top:8px;color:var(--text-secondary)}.empty-state{padding:48px 0;text-align:center;color:var(--text-tertiary)}.empty-state--compact{padding:20px 0;text-align:left;font-size:.92rem}.empty-page{text-align:center;padding-block:clamp(40px,8vw,96px);display:flex;flex-direction:column;align-items:center;gap:20px}.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:clamp(22px,3vw,32px)}.filter-chip{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding-inline:16px;border-radius:999px;border:1px solid var(--border-strong);background:#fff;color:var(--text-secondary);font-size:.9rem;font-weight:600;transition:all .18s var(--ease)}.filter-chip__count{font-size:.76rem;font-weight:700;color:var(--text-tertiary)}.filter-chip.is-active .filter-chip__count{color:#ffffffb3}.filter-chip:hover{border-color:#111;color:var(--text)}.filter-chip.is-active{background:#111;border-color:#111;color:#fff}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card-grid--related{grid-template-columns:repeat(3,1fr)}.detail-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#fff,var(--bg-subtle))}.detail-hero__glow{position:absolute;top:-40%;right:-6%;width:520px;height:520px;background:radial-gradient(circle,color-mix(in srgb,var(--accent) 30%,transparent) 0%,transparent 66%);filter:blur(24px);pointer-events:none}.detail-hero__inner{position:relative;z-index:1;display:flex;align-items:center;gap:clamp(24px,4vw,44px);padding-block:clamp(36px,6vw,64px)}.detail-hero__badges{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}.detail-hero__date{font-size:.82rem;color:var(--text-tertiary)}.detail-hero__name{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:800}.detail-hero__desc{margin-top:12px;max-width:40em;color:var(--text-secondary);font-size:1.05rem}.detail-hero__cta{margin-top:24px}.detail-body{padding-top:clamp(32px,5vw,56px)}.detail-section{padding-bottom:clamp(28px,4vw,44px);margin-bottom:clamp(28px,4vw,44px);border-bottom:1px solid var(--border)}.detail-section:last-of-type{border-bottom:none}.detail-section__title{font-size:1.2rem;font-weight:700;margin-bottom:16px}.detail-text{max-width:46em;color:var(--text);font-size:1rem}.detail-text--muted{color:var(--text-secondary)}.check-list{display:flex;flex-direction:column;gap:12px;max-width:46em}.check-list li{position:relative;padding-left:30px;color:var(--text)}.check-list li:before{content:"";position:absolute;left:4px;top:.55em;width:12px;height:7px;border-left:2px solid #111;border-bottom:2px solid #111;transform:rotate(-45deg)}.feature-list{display:flex;flex-direction:column;gap:14px;max-width:46em}.feature-list li{display:flex;align-items:flex-start;gap:14px}.feature-list__num{flex-shrink:0;width:26px;height:26px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:var(--bg-sunken);font-size:.82rem;font-weight:700;color:var(--text-secondary)}.detail-back{padding-top:8px}.about__body{max-width:40em;display:flex;flex-direction:column;gap:20px;font-size:1.05rem;color:var(--text)}.about__cta{margin-top:36px}@media (max-width: 1023px){.scroll-grid{grid-template-columns:repeat(2,1fr)}.category-grid{grid-template-columns:repeat(3,1fr)}.card-grid,.card-grid--related{grid-template-columns:repeat(2,1fr)}.popular-row{grid-template-columns:44px 1fr auto auto}.popular-row__desc{display:none}}@media (max-width: 767px){.nav--desktop{display:none}.hamburger{display:flex}.hero__inner{grid-template-columns:1fr;text-align:left;gap:28px}.hero__visual{margin-top:4px}.hero__image{width:100%;max-width:520px;height:auto;object-fit:contain;margin-inline:auto}.featured{grid-template-columns:1fr;text-align:center;justify-items:center}.featured__desc{text-align:left}.featured__cta{justify-content:center}.scroll-grid{grid-auto-flow:column;grid-auto-columns:78%;grid-template-columns:none;overflow-x:auto;scroll-snap-type:x mandatory;margin-inline:calc(-1*clamp(20px,5vw,40px));padding-inline:clamp(20px,5vw,40px);-webkit-overflow-scrolling:touch;scrollbar-width:none}.scroll-grid::-webkit-scrollbar{display:none}.scroll-grid>*{scroll-snap-align:start}.category-grid{grid-template-columns:repeat(3,1fr);gap:10px}.card-grid,.card-grid--related{grid-template-columns:1fr}.popular-row{grid-template-columns:44px 1fr auto auto;gap:12px}.detail-hero__inner{flex-direction:column;align-items:flex-start;text-align:left}.news-row__link{flex-wrap:wrap;gap:6px 12px}.news-row__title{flex-basis:100%}}