@charset "UTF-8"; /* ========================================================================== High Tune — site styles 1 stylesheet for every page. Product accent colours are applied by adding a theme class (.t-mahjong / .t-picofender) to . ========================================================================== */ /* -------------------------------------------------------------------------- Design tokens -------------------------------------------------------------------------- */ :root { --bg: #fbfcfe; --bg-soft: #f1f4f9; --surface: #ffffff; --border: #e3e8f0; --border-soft: #eef1f6; --text: #0f1728; --text-muted: #57657c; --text-faint: #7d8a9e; --brand-1: #2563eb; --brand-2: #7c3aed; /* overridden per page by the theme classes below */ --accent: var(--brand-1); --accent-ink: #ffffff; --accent-bg: rgba(37, 99, 235, .09); --shadow-sm: 0 1px 2px rgba(15, 23, 40, .05); --shadow-md: 0 6px 20px -6px rgba(15, 23, 40, .14); --shadow-lg: 0 18px 48px -18px rgba(15, 23, 40, .28); --radius-sm: 8px; --radius: 14px; --radius-lg: 22px; --container: 1080px; --gutter: clamp(1.25rem, 5vw, 2.5rem); --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, system-ui, sans-serif; --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace; } @media (prefers-color-scheme: dark) { :root { --bg: #0b0e15; --bg-soft: #10151f; --surface: #141a26; --border: #263043; --border-soft: #1c2433; --text: #e7ecf6; --text-muted: #9fadc4; --text-faint: #7f8da4; --brand-1: #60a5fa; --brand-2: #a78bfa; --accent: var(--brand-1); --accent-ink: #06101f; --accent-bg: rgba(96, 165, 250, .14); --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4); --shadow-md: 0 6px 20px -6px rgba(0, 0, 0, .55); --shadow-lg: 0 18px 48px -18px rgba(0, 0, 0, .8); } } /* Per-product accents ------------------------------------------------------ */ body.t-mahjong { --accent: #0d7f57; --accent-ink: #ffffff; --accent-bg: rgba(13, 127, 87, .10); } body.t-picofender { --accent: #c2410c; --accent-ink: #ffffff; --accent-bg: rgba(194, 65, 12, .10); } @media (prefers-color-scheme: dark) { body.t-mahjong { --accent: #34d399; --accent-ink: #04231a; --accent-bg: rgba(52, 211, 153, .14); } body.t-picofender { --accent: #fb923c; --accent-ink: #2a1204; --accent-bg: rgba(251, 146, 60, .14); } } /* -------------------------------------------------------------------------- Reset & base -------------------------------------------------------------------------- */ *, *::before, *::after { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5.5rem; } body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 16px; line-height: 1.8; letter-spacing: .01em; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; } img, svg, video { display: block; max-width: 100%; height: auto; } h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; } ul, ol { padding: 0; list-style: none; } a { color: inherit; text-decoration: none; } :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } } /* -------------------------------------------------------------------------- Layout helpers -------------------------------------------------------------------------- */ .container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); } .section { padding-block: clamp(3.5rem, 9vw, 6rem); } .section--soft { background: var(--bg-soft); } .section + .section { border-top: 1px solid var(--border-soft); } .section-head { max-width: 44rem; margin-bottom: clamp(2rem, 5vw, 3rem); } .eyebrow { font-size: .75rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: .75rem; } .section-title { font-size: clamp(1.5rem, 3.4vw, 2.1rem); line-height: 1.35; letter-spacing: -.01em; font-weight: 700; } .section-lead { margin-top: .85rem; color: var(--text-muted); font-size: 1.0625rem; } .skip-link { position: absolute; left: -9999px; top: 0; z-index: 100; padding: .7rem 1.1rem; background: var(--accent); color: var(--accent-ink); border-radius: 0 0 var(--radius-sm) 0; font-weight: 600; } .skip-link:focus { left: 0; } /* -------------------------------------------------------------------------- Header -------------------------------------------------------------------------- */ .site-header { position: sticky; top: 0; z-index: 50; background: var(--bg); /* fallback where color-mix() is unsupported */ background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(150%) blur(12px); -webkit-backdrop-filter: saturate(150%) blur(12px); border-bottom: 1px solid var(--border-soft); } .header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4rem; flex-wrap: wrap; } .logo { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.0625rem; letter-spacing: -.01em; white-space: nowrap; } .logo-mark { width: 26px; height: 26px; flex: none; } .site-nav { display: flex; align-items: center; gap: clamp(.75rem, 2.4vw, 1.6rem); flex-wrap: wrap; font-size: .9375rem; } .site-nav a { color: var(--text-muted); transition: color .18s ease; white-space: nowrap; } .site-nav a:hover { color: var(--text); } .lang-switch { display: inline-flex; align-items: center; padding: .25rem .6rem; border: 1px solid var(--border); border-radius: 999px; font-size: .8125rem; font-weight: 600; letter-spacing: .04em; color: var(--text-muted) !important; } .lang-switch:hover { border-color: var(--accent); color: var(--accent) !important; } /* -------------------------------------------------------------------------- Hero -------------------------------------------------------------------------- */ .hero { position: relative; overflow: hidden; padding-block: clamp(4rem, 12vw, 8rem); } .hero::before { content: ""; position: absolute; inset: -40% 0 auto -10%; height: 130%; background: radial-gradient(58% 52% at 18% 22%, color-mix(in srgb, var(--brand-1) 26%, transparent), transparent 68%), radial-gradient(48% 46% at 78% 8%, color-mix(in srgb, var(--brand-2) 24%, transparent), transparent 66%); pointer-events: none; } .hero > .container { position: relative; } .hero-title { font-size: clamp(2.4rem, 7.5vw, 4.25rem); line-height: 1.1; letter-spacing: -.03em; font-weight: 800; } .hero-title .grad { background: linear-gradient(100deg, var(--brand-1), var(--brand-2)); -webkit-background-clip: text; background-clip: text; color: transparent; } .hero-lead { margin-top: 1.25rem; max-width: 34rem; font-size: clamp(1rem, 2.2vw, 1.1875rem); color: var(--text-muted); } .hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; } /* Product hero (detail pages) ---------------------------------------------- */ .hero--product::before { background: radial-gradient(60% 55% at 20% 18%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 70%); } .hero-kicker { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin-bottom: 1.1rem; } /* -------------------------------------------------------------------------- Buttons -------------------------------------------------------------------------- */ .btn { display: inline-flex; align-items: center; gap: .5rem; padding: .7rem 1.35rem; border-radius: 999px; border: 1px solid transparent; font-weight: 600; font-size: .9375rem; line-height: 1.4; cursor: pointer; transition: transform .16s ease, box-shadow .16s ease, background-color .16s ease, border-color .16s ease, color .16s ease; } .btn:hover { transform: translateY(-1px); } .btn:active { transform: translateY(0); } .btn--primary { background: var(--accent); color: var(--accent-ink); box-shadow: var(--shadow-md); } .btn--primary:hover { box-shadow: var(--shadow-lg); } .btn--ghost { background: transparent; color: var(--text); border-color: var(--border); } .btn--ghost:hover { border-color: var(--accent); color: var(--accent); } /* -------------------------------------------------------------------------- Badges & meta -------------------------------------------------------------------------- */ .badge { display: inline-flex; align-items: center; gap: .4rem; padding: .28rem .75rem; border-radius: 999px; background: var(--accent-bg); color: var(--accent); border: 1px solid var(--border); /* fallback */ border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); font-size: .78125rem; font-weight: 700; letter-spacing: .03em; white-space: nowrap; } .badge::before { content: ""; width: .45rem; height: .45rem; border-radius: 50%; background: currentColor; flex: none; } .platforms { display: flex; flex-wrap: wrap; gap: .4rem; } .platform { padding: .22rem .6rem; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: .78125rem; font-weight: 600; color: var(--text-muted); background: var(--surface); white-space: nowrap; } /* -------------------------------------------------------------------------- Product cards -------------------------------------------------------------------------- */ .card-grid { display: grid; gap: clamp(1.25rem, 3vw, 1.75rem); grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); } .product-card { position: relative; display: flex; flex-direction: column; gap: 1rem; padding: clamp(1.5rem, 3.5vw, 2rem); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; } .product-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--accent), transparent 85%); } .product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); } .product-card.t-mahjong { --accent: #0d7f57; --accent-bg: rgba(13, 127, 87, .10); } .product-card.t-picofender { --accent: #c2410c; --accent-bg: rgba(194, 65, 12, .10); } @media (prefers-color-scheme: dark) { .product-card.t-mahjong { --accent: #34d399; --accent-bg: rgba(52, 211, 153, .14); } .product-card.t-picofender { --accent: #fb923c; --accent-bg: rgba(251, 146, 60, .14); } } .product-card__top { display: flex; align-items: center; justify-content: space-between; gap: .75rem; flex-wrap: wrap; } .product-card__title { font-size: clamp(1.25rem, 2.6vw, 1.5rem); font-weight: 700; letter-spacing: -.01em; line-height: 1.4; } .product-card__sub { font-size: .875rem; color: var(--text-faint); letter-spacing: .02em; } .product-card__body { color: var(--text-muted); } .product-card__foot { margin-top: auto; padding-top: .5rem; } .text-link { display: inline-flex; align-items: center; gap: .35rem; color: var(--accent); font-weight: 600; font-size: .9375rem; } .text-link::after { content: "→"; transition: transform .16s ease; } .text-link:hover::after { transform: translateX(3px); } /* -------------------------------------------------------------------------- Generic content panel (used by "coming soon" blocks, about, contact) -------------------------------------------------------------------------- */ .panel { padding: clamp(1.5rem, 4vw, 2.25rem); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); } .panel + .panel { margin-top: 1.25rem; } .info-list { display: grid; gap: 1rem; } .info-list > div { display: grid; grid-template-columns: minmax(7rem, 10rem) 1fr; gap: .5rem 1.25rem; align-items: baseline; } .info-list dt { font-size: .875rem; font-weight: 700; color: var(--text-faint); letter-spacing: .02em; } .info-list dd { margin: 0; color: var(--text); } @media (max-width: 34rem) { .info-list > div { grid-template-columns: 1fr; gap: .15rem; } } .prose p + p, .prose p + ul, .prose ul + p { margin-top: 1rem; } .prose ul { list-style: disc; padding-left: 1.35rem; } .prose li + li { margin-top: .35rem; } .prose a { color: var(--accent); text-decoration: underline; text-underline-offset: .18em; } /* -------------------------------------------------------------------------- Notice banner (draft / work-in-progress callout) -------------------------------------------------------------------------- */ .notice { display: flex; gap: .85rem; padding: 1rem 1.25rem; border-radius: var(--radius); border: 1px dashed var(--border); /* fallback */ border: 1px dashed color-mix(in srgb, var(--accent) 45%, var(--border)); background: var(--accent-bg); color: var(--text); font-size: .9375rem; } .notice strong { color: var(--accent); } /* -------------------------------------------------------------------------- Legal document layout (privacy policies) -------------------------------------------------------------------------- */ .doc { max-width: 46rem; } .doc-header { padding-block: clamp(2.5rem, 7vw, 4rem) 1.5rem; } .doc-title { font-size: clamp(1.75rem, 4.5vw, 2.5rem); line-height: 1.25; letter-spacing: -.02em; font-weight: 800; } .doc-meta { margin-top: 1rem; font-size: .875rem; color: var(--text-faint); font-variant-numeric: tabular-nums; } .doc-body { padding-bottom: clamp(3rem, 8vw, 5rem); } .doc-body section + section { margin-top: 2.5rem; } .doc-body h2 { font-size: 1.1875rem; font-weight: 700; letter-spacing: -.005em; padding-bottom: .5rem; margin-bottom: .9rem; border-bottom: 1px solid var(--border); } .doc-body h3 { font-size: 1rem; font-weight: 700; margin: 1.25rem 0 .5rem; } .doc-body p, .doc-body li { color: var(--text-muted); } .doc-body ul { list-style: disc; padding-left: 1.35rem; margin-top: .6rem; } .doc-body li + li { margin-top: .35rem; } .doc-body a { color: var(--accent); text-decoration: underline; text-underline-offset: .18em; } .doc-body p + p { margin-top: .85rem; } /* 強調したい結論を置くための囲み */ .doc-callout { margin-top: 1rem; padding: 1.15rem 1.4rem; background: var(--accent-bg); border-left: 3px solid var(--accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; } .doc-callout p { color: var(--text); } .doc-callout p + p { margin-top: .75rem; } .doc-callout strong { color: var(--accent); } /* 表は必ず自身の内側で横スクロールさせ、ページ本体を横に伸ばさない */ .table-wrap { margin-top: 1.1rem; overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); -webkit-overflow-scrolling: touch; } .doc-body table { width: 100%; min-width: 26rem; border-collapse: collapse; font-size: .9375rem; } .doc-body th, .doc-body td { padding: .7rem .95rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border-soft); } .doc-body th { background: var(--bg-soft); color: var(--text); font-weight: 700; } .doc-body thead th { white-space: nowrap; } .doc-body td { color: var(--text-muted); } .doc-body tbody tr:last-child th, .doc-body tbody tr:last-child td { border-bottom: 0; } .doc-body td strong { color: var(--text); } .doc-toc { margin-top: 1.5rem; padding: 1.25rem 1.5rem; background: var(--bg-soft); border: 1px solid var(--border-soft); border-radius: var(--radius); } .doc-toc p { font-size: .8125rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text-faint); margin-bottom: .6rem; } .doc-toc ol { list-style: decimal; padding-left: 1.35rem; } .doc-toc li { color: var(--text-muted); } .doc-toc li + li { margin-top: .25rem; } .doc-toc a { color: var(--text-muted); text-decoration: none; } .doc-toc a:hover { color: var(--accent); text-decoration: underline; } /* Breadcrumb --------------------------------------------------------------- */ .crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; font-size: .875rem; color: var(--text-faint); margin-bottom: 1.25rem; } .crumbs a { color: var(--text-muted); } .crumbs a:hover { color: var(--accent); } .crumbs li:not(:last-child)::after { content: "/"; margin-left: .45rem; color: var(--border); } .crumbs li { display: inline-flex; align-items: center; } /* -------------------------------------------------------------------------- Policy index list -------------------------------------------------------------------------- */ .policy-list { display: grid; gap: 1rem; } .policy-item { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: 1.25rem 1.5rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease; } .policy-item:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); transform: translateY(-2px); box-shadow: var(--shadow-md); } .policy-item h2 { font-size: 1.0625rem; font-weight: 700; } .policy-item p { font-size: .875rem; color: var(--text-faint); margin-top: .15rem; } .policy-item.t-mahjong { --accent: #0d7f57; } .policy-item.t-picofender { --accent: #c2410c; } @media (prefers-color-scheme: dark) { .policy-item.t-mahjong { --accent: #34d399; } .policy-item.t-picofender { --accent: #fb923c; } } /* -------------------------------------------------------------------------- Footer -------------------------------------------------------------------------- */ .site-footer { border-top: 1px solid var(--border-soft); background: var(--bg-soft); padding-block: clamp(2.5rem, 6vw, 3.5rem) 2rem; } .footer-inner { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; } .footer-brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 700; font-size: 1rem; } .footer-note { margin-top: .5rem; font-size: .875rem; color: var(--text-faint); max-width: 24rem; } .footer-nav { display: flex; flex-direction: column; gap: .5rem; font-size: .9375rem; } .footer-nav a { color: var(--text-muted); } .footer-nav a:hover { color: var(--accent); } .copyright { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border-soft); font-size: .8125rem; color: var(--text-faint); } /* -------------------------------------------------------------------------- 404 -------------------------------------------------------------------------- */ .center-stage { min-height: 60vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 1rem; padding-block: 4rem; } .center-stage .code { font-family: var(--font-mono); font-size: clamp(3rem, 12vw, 5.5rem); font-weight: 800; letter-spacing: -.04em; line-height: 1; background: linear-gradient(100deg, var(--brand-1), var(--brand-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }