/* * Riding Buddy 公開サイト共通スタイル（全ページのデザイントークンとレイアウト）。 * 2026-09-04 のリデザイン（Codex作成のデザインサンプルを採用）。ライト/ダークは prefers-color-scheme で切替。 * Webフォント（Noto Sans JP / Orbitron）は各ページの で読み込む。 */ :root { color-scheme: light dark; --bg: #f5f8fb; --bg-deep: #eaf1f6; --surface: #ffffff; --surface-raised: #ffffff; --surface-soft: #eef4f8; --ink: #17232d; --ink-strong: #072f58; --muted: #526572; --line: #d7e2e9; --cyan: #087f9e; --cyan-bright: #00a9d5; --cyan-soft: #dff6fb; --orange: #dc7000; --orange-bright: #f5820a; --orange-soft: #fff0dd; --danger: #b94634; --danger-soft: #fff0ed; --shadow: 0 20px 60px rgba(9, 45, 70, 0.12); --shadow-soft: 0 10px 32px rgba(9, 45, 70, 0.08); --radius-sm: 0.75rem; --radius-md: 1.15rem; --radius-lg: 1.8rem; --radius-xl: 2.5rem; --page: min(100% - 2rem, 72rem); --page-wide: min(100% - 2rem, 82rem); --font-sans: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; --font-display: "Orbitron", "Noto Sans JP", system-ui, sans-serif; } @media (prefers-color-scheme: dark) { :root { --bg: #0a0e14; --bg-deep: #07111d; --surface: #101720; --surface-raised: #141e29; --surface-soft: #0d1924; --ink: #e8f0f2; --ink-strong: #f4f9fb; --muted: #a0b2bd; --line: #22303f; --cyan: #4cd5fa; --cyan-bright: #33c7f2; --cyan-soft: #102b38; --orange: #ff9f32; --orange-bright: #ff9218; --orange-soft: #352414; --danger: #ff8878; --danger-soft: #351d1d; --shadow: 0 22px 70px rgba(0, 0, 0, 0.36); --shadow-soft: 0 12px 36px rgba(0, 0, 0, 0.24); } } *, *::before, *::after { box-sizing: border-box; } html { scroll-behavior: smooth; scroll-padding-top: 5rem; } body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-sans); font-size: 1rem; line-height: 1.8; text-rendering: optimizeLegibility; } img, svg { display: block; height: auto; max-width: 100%; } a { color: var(--cyan); text-decoration-thickness: 0.08em; text-underline-offset: 0.2em; } a:hover { color: var(--orange); } a:focus-visible, button:focus-visible { outline: 3px solid var(--orange-bright); outline-offset: 4px; } .skip-link { position: fixed; z-index: 1000; top: 0.75rem; left: 0.75rem; transform: translateY(-180%); border-radius: 999px; background: #fff; color: #09223a; padding: 0.65rem 1rem; font-weight: 800; } .skip-link:focus { transform: translateY(0); } .site-header { position: sticky; z-index: 50; top: 0; border-bottom: 1px solid rgba(113, 153, 175, 0.18); background: color-mix(in srgb, var(--bg) 84%, transparent); backdrop-filter: blur(18px); } .site-header__inner { width: var(--page-wide); min-height: 4.3rem; margin-inline: auto; display: flex; align-items: center; gap: 0.9rem; } .site-brand { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 0.62rem; color: var(--ink-strong); font-family: var(--font-display); font-size: 0.9rem; font-weight: 800; letter-spacing: 0.04em; text-decoration: none; } .site-brand__mark { width: 2rem; aspect-ratio: 1; padding: 0.25rem; border: 1px solid rgba(51, 199, 242, 0.4); border-radius: 50%; background: #07111d; } .site-nav { display: flex; flex: 1 1 auto; justify-content: flex-end; gap: 0.2rem; overflow-x: auto; scrollbar-width: none; } .site-nav::-webkit-scrollbar { display: none; } .site-nav a { flex: 0 0 auto; border-radius: 999px; color: var(--muted); padding: 0.55rem 0.68rem; font-size: 0.84rem; font-weight: 700; text-decoration: none; } .site-nav a:hover, .site-nav a[aria-current="page"] { background: var(--surface-soft); color: var(--ink-strong); } .hero { position: relative; isolation: isolate; min-height: 46rem; overflow: hidden; background: #07111d; color: #e8f0f2; } .hero::before { position: absolute; z-index: -3; inset: 0; background: url("../img/hero-road.webp") center / cover no-repeat; content: ""; } .hero::after { position: absolute; z-index: -2; inset: 0; background: linear-gradient(180deg, rgba(4, 12, 22, 0.16), rgba(4, 12, 22, 0.84) 78%, #07111d), linear-gradient(90deg, rgba(4, 12, 22, 0.92) 0%, rgba(4, 12, 22, 0.66) 52%, rgba(4, 12, 22, 0.12)); content: ""; } .hero__grid { width: var(--page-wide); min-height: 46rem; margin-inline: auto; padding-block: 4rem 2.5rem; display: grid; align-content: center; gap: 2rem; } .hero__content { max-width: 43rem; } .eyebrow { margin: 0 0 0.8rem; color: var(--cyan); font-family: var(--font-display); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.13em; line-height: 1.5; text-transform: uppercase; } .hero .eyebrow { color: #70e1ff; } .hero h1 { max-width: 11em; margin: 0; font-size: clamp(2.5rem, 11vw, 5.5rem); letter-spacing: -0.055em; line-height: 1.08; } .hero h1 em { color: #69dcfa; font-style: normal; } .nowrap { white-space: nowrap; } .hero__lead { max-width: 38rem; margin: 1.3rem 0 0; color: #c3d4dc; font-size: clamp(1rem, 2.7vw, 1.18rem); line-height: 1.9; } .status-pill { display: inline-flex; align-items: center; gap: 0.62rem; margin-top: 1.5rem; border: 1px solid rgba(105, 220, 250, 0.65); border-radius: 999px; background: rgba(5, 23, 35, 0.82); color: #ecf8fb; padding: 0.64rem 0.9rem; font-size: 0.84rem; font-weight: 700; } .status-pill::before { width: 0.58rem; aspect-ratio: 1; border-radius: 50%; background: var(--orange-bright); box-shadow: 0 0 0 0.28rem rgba(255, 146, 24, 0.13), 0 0 1.2rem rgba(255, 146, 24, 0.8); content: ""; } .hero__actions { margin-top: 1.65rem; display: flex; flex-wrap: wrap; gap: 0.72rem; } .button { display: inline-flex; min-height: 3rem; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 999px; padding: 0.72rem 1.15rem; font-size: 0.9rem; font-weight: 800; text-decoration: none; } .button--primary { background: var(--cyan-bright); color: #04121d; box-shadow: 0 0.75rem 2.5rem rgba(51, 199, 242, 0.22); } .button--primary:hover { background: #77e5ff; color: #04121d; } .button--ghost { border-color: rgba(232, 240, 242, 0.32); background: rgba(7, 17, 29, 0.42); color: #e8f0f2; } .button--ghost:hover { border-color: #69dcfa; color: #fff; } .app-icon-stage { position: relative; width: min(64vw, 18rem); margin-inline: auto; } .app-icon-stage::before { position: absolute; z-index: -1; inset: 15%; border-radius: 50%; background: rgba(51, 199, 242, 0.32); filter: blur(2rem); content: ""; } .app-icon-stage img { border: 1px solid rgba(255, 255, 255, 0.34); border-radius: 23%; box-shadow: 0 2.5rem 6rem rgba(0, 0, 0, 0.48); transform: rotate(2deg); } .system-check { position: relative; z-index: 2; width: var(--page); margin: -2rem auto 0; display: grid; grid-template-columns: repeat(2, 1fr); overflow: hidden; border: 1px solid rgba(51, 199, 242, 0.28); border-radius: var(--radius-lg); background: color-mix(in srgb, var(--surface) 94%, transparent); box-shadow: var(--shadow); } .check-item { min-width: 0; padding: 1rem; } .check-item:nth-child(odd) { border-right: 1px solid var(--line); } .check-item:nth-child(-n + 2) { border-bottom: 1px solid var(--line); } .check-item__top { display: flex; align-items: center; gap: 0.55rem; } .check-dot { width: 0.52rem; aspect-ratio: 1; flex: 0 0 auto; border-radius: 50%; background: var(--cyan-bright); box-shadow: 0 0 0 0.25rem color-mix(in srgb, var(--cyan-bright) 14%, transparent); } .check-item strong { font-family: var(--font-display); font-size: 0.7rem; letter-spacing: 0.08em; } .check-item span { display: block; margin-top: 0.3rem; color: var(--muted); font-size: 0.74rem; } .section { padding-block: clamp(4.5rem, 10vw, 8rem); } .section--tight { padding-block: clamp(3.5rem, 8vw, 6rem); } .section--deep { background: var(--bg-deep); } .section--line { border-block: 1px solid var(--line); } .container { width: var(--page); margin-inline: auto; } .container--wide { width: var(--page-wide); margin-inline: auto; } .section-heading { max-width: 45rem; margin-bottom: clamp(2rem, 6vw, 3.5rem); } .section-heading h2, .split-copy h2, .cta-card h2, .page-intro h1, .article h1, .not-found h1 { margin: 0; color: var(--ink-strong); font-size: clamp(1.85rem, 7vw, 3.55rem); letter-spacing: -0.045em; line-height: 1.28; } .section-heading p, .page-intro__lead { margin: 1rem 0 0; color: var(--muted); font-size: clamp(1rem, 2.6vw, 1.12rem); } .split { display: grid; align-items: center; gap: 2rem; } .split__media { position: relative; overflow: hidden; border: 1px solid rgba(51, 199, 242, 0.25); border-radius: var(--radius-xl); background: #07111d; box-shadow: var(--shadow); } .split__media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; } .split__media::after { position: absolute; inset: 0; border-radius: inherit; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08); content: ""; pointer-events: none; } .flow-list { margin: 1.6rem 0 0; padding: 0; list-style: none; counter-reset: flow; } .flow-list li { position: relative; min-height: 3.2rem; margin-top: 1rem; padding-left: 4rem; counter-increment: flow; } .flow-list li::before { position: absolute; top: 0; left: 0; width: 2.85rem; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid color-mix(in srgb, var(--cyan) 40%, var(--line)); border-radius: 50%; background: var(--cyan-soft); color: var(--cyan); content: counter(flow, decimal-leading-zero); font-family: var(--font-display); font-size: 0.7rem; font-weight: 800; } .flow-list strong { display: block; color: var(--ink-strong); } .flow-list span { color: var(--muted); font-size: 0.94rem; } .phone-strip { display: grid; grid-auto-columns: minmax(13rem, 72%); grid-auto-flow: column; gap: 1rem; overflow-x: auto; padding: 0.4rem max(1rem, calc((100vw - 72rem) / 2)) 1.5rem; scroll-snap-type: x mandatory; scrollbar-color: var(--cyan) transparent; } .phone { scroll-snap-align: center; border: 1px solid var(--line); border-radius: 2.15rem; background: #08121f; padding: 0.48rem; box-shadow: var(--shadow-soft); } .phone img { width: 100%; aspect-ratio: 9 / 19.5; border-radius: 1.75rem; object-fit: cover; } .phone figcaption { margin: 0.7rem 0 0.35rem; color: #dce9ee; font-size: 0.82rem; font-weight: 700; text-align: center; } .note { width: var(--page); margin: 1rem auto 0; color: var(--muted); font-size: 0.85rem; } .card-grid { display: grid; gap: 1rem; } .feature-card, .info-card, .faq-card { border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-raised); box-shadow: var(--shadow-soft); } .feature-card { padding: 1.35rem; } .feature-card__index { color: var(--cyan); font-family: var(--font-display); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.1em; } .feature-card h3, .info-card h3, .faq-card h3 { margin: 0.55rem 0 0.55rem; color: var(--ink-strong); font-size: 1.08rem; line-height: 1.5; } .feature-card p, .info-card p, .faq-card p { margin: 0; color: var(--muted); font-size: 0.93rem; } .limit-panel { display: grid; overflow: hidden; border: 1px solid color-mix(in srgb, var(--danger) 34%, var(--line)); border-radius: var(--radius-lg); background: var(--surface); } .limit-panel__title { padding: 1.5rem; background: var(--danger-soft); } .limit-panel__title .eyebrow { color: var(--danger); } .limit-panel__title h2 { margin: 0; color: var(--ink-strong); font-size: clamp(1.65rem, 6vw, 2.7rem); line-height: 1.35; } .limit-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; } .limit-list li { position: relative; border-top: 1px solid var(--line); padding: 1rem 1rem 1rem 3rem; color: var(--muted); } .limit-list li::before { position: absolute; top: 1.18rem; left: 1rem; width: 1.15rem; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: var(--danger-soft); color: var(--danger); content: "\00d7"; font-weight: 800; line-height: 1; } .assurance-grid { display: grid; gap: 1rem; margin-top: 1.6rem; } .assurance-item { position: relative; padding-left: 2rem; } .assurance-item::before { position: absolute; top: 0.48rem; left: 0; width: 0.75rem; aspect-ratio: 1; border: 2px solid var(--cyan); border-radius: 50%; box-shadow: inset 0 0 0 0.16rem var(--surface), 0 0 0 0.18rem color-mix(in srgb, var(--cyan) 22%, transparent); background: var(--cyan); content: ""; } .assurance-item strong { display: block; color: var(--ink-strong); } .assurance-item p { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.92rem; } .store-card { position: relative; overflow: hidden; border: 1px solid rgba(51, 199, 242, 0.3); border-radius: var(--radius-xl); background: radial-gradient(circle at 82% 20%, rgba(51, 199, 242, 0.2), transparent 28rem), #07111d; color: #e8f0f2; padding: clamp(1.5rem, 6vw, 4rem); box-shadow: var(--shadow); } .store-card::after { position: absolute; right: -5rem; bottom: -8rem; width: 22rem; aspect-ratio: 1; border: 1px solid rgba(51, 199, 242, 0.18); border-radius: 50%; box-shadow: 0 0 0 3rem rgba(51, 199, 242, 0.035), 0 0 0 6rem rgba(51, 199, 242, 0.025); content: ""; } .store-card__body { position: relative; z-index: 1; max-width: 39rem; } .store-card h2 { margin: 0; color: #f4f9fb; font-size: clamp(1.75rem, 7vw, 3rem); line-height: 1.35; } .store-card p { color: #a9bdc8; } .store-links { display: grid; gap: 0.75rem; margin-top: 1.5rem; } .store-placeholder { display: flex; min-height: 4.25rem; align-items: center; gap: 0.85rem; border: 1px dashed rgba(232, 240, 242, 0.38); border-radius: 0.9rem; background: rgba(255, 255, 255, 0.05); color: #edf7fa; padding: 0.75rem 1rem; } .store-placeholder__symbol { width: 2rem; display: grid; place-items: center; color: #72dffa; font-family: var(--font-display); font-weight: 800; } .store-placeholder small, .store-placeholder strong { display: block; line-height: 1.35; } .store-placeholder small { color: #90a9b6; font-size: 0.72rem; } .store-placeholder strong { margin-top: 0.2rem; font-size: 0.9rem; } .subpage { min-height: 100vh; background: radial-gradient(circle at 90% 5%, color-mix(in srgb, var(--cyan-bright) 9%, transparent), transparent 23rem), var(--bg); } .page-intro { width: var(--page); margin-inline: auto; padding-block: clamp(4rem, 10vw, 7rem) clamp(2.5rem, 7vw, 4rem); } .page-intro__meta { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.5rem; } .tag { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--muted); padding: 0.42rem 0.72rem; font-size: 0.78rem; font-weight: 700; } .article-shell { width: var(--page); margin: 0 auto clamp(4rem, 10vw, 8rem); display: grid; gap: 1.5rem; } .article { overflow-wrap: anywhere; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: clamp(1.25rem, 5vw, 3.25rem); box-shadow: var(--shadow-soft); } .article .meta { margin: 0.35rem 0 2rem; color: var(--muted); font-size: 0.88rem; } .article h2 { margin: 2.8rem 0 0.85rem; border-top: 1px solid var(--line); padding-top: 1.35rem; color: var(--ink-strong); font-size: clamp(1.2rem, 4vw, 1.55rem); line-height: 1.5; } .article p { margin: 0 0 1rem; } .article ul { margin: 0 0 1rem; padding-left: 1.35rem; } .article li { margin-bottom: 0.65rem; } .article li::marker { color: var(--cyan); } .article-aside { align-self: start; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-soft); padding: 1.1rem; } .article-aside strong { color: var(--ink-strong); } .article-aside p { margin: 0.45rem 0 0; color: var(--muted); font-size: 0.9rem; } .faq-grid { display: grid; gap: 1rem; } .faq-card { padding: clamp(1.2rem, 4vw, 1.7rem); } .faq-card h3 { margin: 0; } .faq-card p { margin-top: 0.65rem; } .info-card { padding: 1.3rem; } .info-card--accent { border-color: color-mix(in srgb, var(--cyan) 44%, var(--line)); background: var(--cyan-soft); } .safety-hero-image { width: var(--page-wide); margin: 0 auto clamp(3rem, 8vw, 6rem); overflow: hidden; border: 1px solid rgba(51, 199, 242, 0.28); border-radius: var(--radius-xl); background: #07111d; box-shadow: var(--shadow); } .safety-hero-image img { width: 100%; max-height: 34rem; object-fit: cover; } .contact-card { margin-top: 2rem; border: 1px solid color-mix(in srgb, var(--orange) 38%, var(--line)); border-radius: var(--radius-md); background: var(--orange-soft); padding: 1.2rem; } .contact-card p { margin: 0.3rem 0 0; } .not-found { min-height: calc(100vh - 4.3rem); display: grid; place-items: center; padding: 3rem 1rem; } .not-found__card { width: min(100%, 42rem); border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--surface); padding: clamp(1.5rem, 8vw, 4rem); box-shadow: var(--shadow); text-align: center; } .not-found__code { margin: 0; color: var(--cyan); font-family: var(--font-display); font-size: clamp(4rem, 22vw, 9rem); font-weight: 800; letter-spacing: 0.08em; line-height: 1; } .not-found p:not(.not-found__code) { color: var(--muted); } .site-footer { border-top: 1px solid var(--line); background: var(--surface-soft); } .site-footer__inner { width: var(--page-wide); margin-inline: auto; padding-block: 2.2rem; display: grid; gap: 1.5rem; } .footer-brand p { margin: 0.7rem 0 0; color: var(--muted); font-size: 0.85rem; } .footer-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; } .footer-links a { color: var(--muted); font-size: 0.84rem; } .footer-meta { color: var(--muted); font-size: 0.8rem; } .footer-meta p { margin: 0.25rem 0 0; } @media (max-width: 35rem) { .site-header .site-brand span { display: none; } .site-header__inner { gap: 0.4rem; } .site-nav a { padding-inline: 0.58rem; font-size: 0.78rem; } } @media (min-width: 42rem) { :root { --page: min(100% - 3rem, 72rem); --page-wide: min(100% - 3rem, 82rem); } .site-nav { gap: 0.35rem; } .site-nav a { padding-inline: 0.9rem; font-size: 0.9rem; } .hero__grid { grid-template-columns: minmax(0, 1fr) minmax(14rem, 22rem); align-items: center; } .system-check { grid-template-columns: repeat(4, 1fr); } .check-item:nth-child(n) { border: 0; } .check-item + .check-item { border-left: 1px solid var(--line); } .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2.5rem, 7vw, 6rem); } .split--reverse .split__media { order: 2; } .phone-strip { grid-auto-columns: minmax(14rem, 22vw); } .card-grid--four { grid-template-columns: repeat(2, 1fr); } .limit-panel { grid-template-columns: 0.7fr 1.3fr; } .limit-list { grid-template-columns: repeat(2, 1fr); } .limit-list li:nth-child(even) { border-left: 1px solid var(--line); } .assurance-grid { grid-template-columns: repeat(2, 1fr); } .store-links { grid-template-columns: repeat(2, minmax(0, 14rem)); } .faq-grid, .card-grid--three { grid-template-columns: repeat(2, 1fr); } .site-footer__inner { grid-template-columns: 1fr auto; align-items: end; } .footer-meta { grid-column: 1 / -1; } } @media (min-width: 64rem) { .hero, .hero__grid { min-height: min(52rem, calc(100vh - 2rem)); } .app-icon-stage { width: min(24vw, 21rem); } .phone-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-flow: initial; gap: 1.25rem; overflow: visible; } .card-grid--four { grid-template-columns: repeat(4, 1fr); } .faq-grid { grid-template-columns: repeat(3, 1fr); } .card-grid--three { grid-template-columns: repeat(3, 1fr); } .article-shell { grid-template-columns: minmax(0, 1fr) 17rem; align-items: start; } .article-aside { position: sticky; top: 6rem; } } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } } @media print { .site-header, .site-footer, .skip-link { display: none; } body { background: #fff; color: #111; } .article { border: 0; box-shadow: none; } }