/* ========================================================================= brand.css — ブランドサイトの設計体系 構成：0 トークン / 1 土台 / 2 ローダー / 3 カーソル / 4 ヘッダー / 5 没入FV / 6 エディトリアル / 7 便益 / 8 オファー / 9 FAQ / 10 フッター / 11 出現 / 12 レスポンシブ ========================================================================= */ /* ---------- 0. トークン ---------- */ :root { --ink: #14120F; --ink-dim: rgba(20, 18, 15, 0.66); --ink-faint: rgba(20, 18, 15, 0.26); --bg: #F4F1EA; --bg-2: #E7E2D6; --accent: #7A6A52; --line: rgba(20, 18, 15, 0.16); --font-display: "Zen Kaku Gothic New", system-ui, sans-serif; --font-ui: "Zen Kaku Gothic New", system-ui, sans-serif; /* 版面：24カラム。エディトリアルの非対称を作るための土台 */ --cols: 24; --gutter: clamp(14px, 1.4vw, 26px); --pad: clamp(20px, 5vw, 88px); --t-hero: clamp(2.4rem, 5.4vw, 5.4rem); --t-h2: clamp(1.9rem, 3.6vw, 3.6rem); --t-h3: clamp(1.15rem, 1.6vw, 1.6rem); --t-body: clamp(0.96rem, 1.05vw, 1.12rem); --t-meta: clamp(0.66rem, 0.76vw, 0.78rem); --ease: cubic-bezier(0.22, 1, 0.36, 1); --dur: 1.05s; } /* ---------- 1. 土台 ---------- */ *, *::before, *::after { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; scroll-behavior: auto; } html.is-locked { overflow: hidden; } body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-ui); font-size: var(--t-body); line-height: 1.9; font-feature-settings: "palt" 1; -webkit-font-smoothing: antialiased; overflow-x: hidden; } img, video, canvas { display: block; max-width: 100%; } [hidden] { display: none !important; } :target, section[id] { scroll-margin-top: clamp(70px, 9vh, 110px); } a { color: inherit; text-decoration: none; } button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; } ::selection { background: var(--ink); color: var(--bg); } .bs-shell { position: relative; z-index: 1; } .bs-container { width: 100%; padding-inline: var(--pad); margin-inline: auto; max-width: 1680px; } .bs-grid { display: grid; grid-template-columns: repeat(var(--cols), 1fr); column-gap: var(--gutter); } .bs-meta { font-family: var(--font-ui); font-size: var(--t-meta); letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-dim); font-weight: 400; } .bs-rule { height: 1px; background: var(--line); border: 0; margin: 0; } .visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; } /* ---------- 2. ローダー ---------- */ /* 既定は非表示。JSが生きているときだけ に .has-js が付いて現れる。 こうしないと JS が動かない環境で、真っ暗なローダーに閉じ込められる。 */ .bs-loader { display: none; } .has-js .bs-loader { position: fixed; inset: 0; z-index: 200; background: var(--bg); display: grid; place-items: center; transition: opacity 1s var(--ease), visibility 1s; } .bs-loader.is-gone { opacity: 0; visibility: hidden; pointer-events: none; } .bs-loader__inner { width: min(520px, 78vw); text-align: center; } .bs-loader__mark { font-family: var(--font-display); font-size: clamp(1.4rem, 2.4vw, 2.1rem); letter-spacing: 0.16em; margin: 0 0 2.6rem; opacity: 0; animation: bs-fade 1.4s var(--ease) 0.25s forwards; } .bs-loader__bar { position: relative; height: 1px; background: var(--ink-faint); overflow: hidden; } .bs-loader__bar-fill { position: absolute; inset: 0; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease); } .bs-loader__row { display: flex; justify-content: space-between; align-items: baseline; margin-top: 0.9rem; } .bs-loader__enter { margin-top: 2.8rem; font-family: var(--font-ui); font-size: var(--t-meta); letter-spacing: 0.24em; text-transform: uppercase; padding: 0.95em 2.4em; border: 1px solid var(--line); border-radius: 999px; opacity: 0; transform: translateY(8px); pointer-events: none; transition: opacity 0.8s var(--ease), transform 0.8s var(--ease), background-color 0.5s var(--ease), color 0.5s var(--ease); } .bs-loader.is-ready .bs-loader__enter { opacity: 1; transform: none; pointer-events: auto; } .bs-loader__enter:hover { background: var(--ink); color: var(--bg); } @keyframes bs-fade { to { opacity: 1; } } /* ---------- 3. カスタムカーソル ---------- */ /* ---------- カーソル ---------- difference 合成は使わない。明るい地では黒い塊に反転して、 重ねたボタンごと読めなくなる（実際に潰した）。 代わりに「輪」にして中を透かし、下のボタンを見せる。 */ /* 自前のカーソルを出すあいだは、OSの矢印を消す。 両方出ていると、自前のほうが「余分な点」にしか見えない。 */ .has-cursor, .has-cursor * { cursor: none; } /* 入力欄だけは、文字を打つ場所が分かるよう I ビームを残す */ .has-cursor input, .has-cursor textarea, .has-cursor select { cursor: text; } .bs-cursor { display: none; position: fixed; top: 0; left: 0; z-index: 190; width: 36px; height: 36px; margin: -18px 0 0 -18px; border-radius: 999px; background: var(--ink); border: 2px solid transparent; /* 内側に細い縁、外側にうっすら暈（かさ）。地が明でも暗でも輪郭が立つ */ box-shadow: 0 0 0 1.5px rgba(0, 0, 0, .22), 0 0 0 14px rgba(128, 128, 128, .13), 0 3px 14px rgba(0, 0, 0, .26); pointer-events: none; transition: width .4s var(--ease), height .4s var(--ease), margin .4s var(--ease), background-color .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease); } body.has-cursor .bs-cursor { display: block; } /* リンクに重ねたとき：大きな輪になる。中は透けたまま */ .bs-cursor.is-active { width: 132px; height: 132px; margin: -66px 0 0 -66px; background: rgba(0, 0, 0, .06); border-color: var(--ink); box-shadow: 0 0 0 1px rgba(255, 255, 255, .35), 0 8px 30px rgba(0, 0, 0, .28); backdrop-filter: blur(1.5px); } .bs-cursor__label { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; transition: opacity .3s var(--ease); } .bs-cursor__label::before { /* 文字は必ず読ませたいので、無地の札を敷く */ content: attr(data-label); padding: .42em 1.1em; border-radius: 999px; background: var(--ink); color: var(--bg); font-family: var(--font-ui); font-weight: 600; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; white-space: nowrap; } .bs-cursor.is-active .bs-cursor__label { opacity: 1; } /* 地の明暗で色を入れ替える。1色だとどちらかで沈む */ /* :not(.is-active) を付けないと、地の色指定が輪の透過に勝って また塗り潰しの円に戻る（詳細度で負ける） */ :root[data-tone="light"] .bs-cursor:not(.is-active) { background: #14120F; } :root[data-tone="light"] .bs-cursor.is-active { background: rgba(20, 18, 15, .07); border-color: #14120F; box-shadow: 0 0 0 1px rgba(255, 255, 255, .6), 0 8px 30px rgba(20, 18, 15, .22); } :root[data-tone="light"] .bs-cursor__label::before { background: #14120F; color: #F4F2ED; } :root[data-tone="dark"] .bs-cursor:not(.is-active) { background: #F2EFE9; } :root[data-tone="dark"] .bs-cursor.is-active { background: rgba(242, 239, 233, .07); border-color: #F2EFE9; box-shadow: 0 0 0 1px rgba(0, 0, 0, .45), 0 8px 30px rgba(0, 0, 0, .4); } :root[data-tone="dark"] .bs-cursor__label::before { background: #F2EFE9; color: #0B0B0C; } @media (hover: none) { .bs-cursor { display: none; } } /* ---------- 4. ヘッダー ---------- */ .bs-header { position: fixed; inset: 0 0 auto; z-index: 120; display: flex; align-items: center; justify-content: space-between; padding: clamp(16px, 2.2vw, 30px) var(--pad); transition: background-color 0.6s var(--ease), backdrop-filter 0.6s var(--ease); } .bs-header.is-scrolled { background: color-mix(in srgb, var(--bg) 72%, transparent); backdrop-filter: blur(14px); } .bs-header__logo { font-family: var(--font-display); font-size: clamp(1rem, 1.3vw, 1.25rem); letter-spacing: 0.14em; } .bs-header__nav { display: flex; gap: clamp(18px, 2.4vw, 40px); align-items: center; } .bs-header__link { font-size: var(--t-meta); letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-dim); transition: color 0.4s var(--ease); } .bs-header__link:hover { color: var(--ink); } .bs-btn { display: inline-flex; align-items: center; gap: 0.7em; font-size: var(--t-meta); letter-spacing: 0.2em; text-transform: uppercase; padding: 0.9em 1.9em; border: 1px solid var(--line); border-radius: 999px; transition: background-color 0.5s var(--ease), color 0.5s var(--ease), border-color 0.5s var(--ease); } .bs-btn:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); } .bs-btn--solid { background: var(--ink); color: var(--bg); border-color: var(--ink); } .bs-btn--solid:hover { background: transparent; color: var(--ink); border-color: var(--line); } /* ---------- 5. 舞台（4型が共有する骨格） ---------- */ /* progress:scroll → 高さを伸ばし、canvas を sticky で貼りつける progress:chapter / static → 画面1枚に固定する（ページではなく場所になる） */ .bs-stage { position: relative; height: calc(var(--bs-scroll-vh, 320) * 1svh); } .bs-stage__sticky { position: sticky; top: 0; height: 100svh; overflow: hidden; } [data-progress="chapter"] .bs-stage, [data-progress="static"] .bs-stage { height: 100svh; } [data-progress="chapter"] .bs-stage__sticky, [data-progress="static"] .bs-stage__sticky { position: fixed; inset: 0; height: 100svh; } .bs-canvas { position: absolute; inset: 0; } .bs-canvas canvas { width: 100% !important; height: 100% !important; } /* 舞台に載る文字は、必ず DOM に実テキストで置く */ .bs-layer { position: absolute; inset: 0; padding: clamp(64px, 9vh, 120px) var(--pad); pointer-events: none; } .bs-layer a, .bs-layer button { pointer-events: auto; } /* === word：一節ずつ中央に === */ .bs-stanzas { position: absolute; inset: 0; display: grid; place-items: center; padding: var(--pad); pointer-events: none; } .bs-stanza { grid-area: 1 / 1; max-width: min(72ch, 88vw); text-align: center; font-family: var(--font-display); font-weight: 300; font-size: var(--t-hero); line-height: 1.62; letter-spacing: 0.01em; } .bs-stanza[data-align="left"] { text-align: left; justify-self: start; } .bs-stanza[data-font="ui"] { font-family: var(--font-ui); } .bs-line { display: block; } .bs-line[data-role="source"] { font-size: 0.4em; font-style: italic; opacity: 0.55; margin-top: 1.6em; } .bs-stage.is-webgl .bs-stanzas { opacity: 0; } /* === object：停留所ごとに言葉が入れ替わる === */ .bs-stations { position: absolute; inset: 0; display: grid; place-items: center; padding: var(--pad); } .bs-station { grid-area: 1 / 1; width: 100%; max-width: 1680px; display: grid; grid-template-columns: repeat(24, 1fr); column-gap: var(--gutter); opacity: 0; transform: translateY(18px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); pointer-events: none; } .bs-station.is-current { opacity: 1; transform: none; pointer-events: auto; } .bs-station__no { grid-column: 1 / span 3; align-self: start; } .bs-station__title { grid-column: 1 / span 7; align-self: center; margin: 0; font-family: var(--font-display); font-weight: 300; font-size: var(--t-h2); line-height: 1.35; } .bs-station__text { grid-column: 18 / span 7; align-self: center; margin: 0; color: var(--ink-dim); max-width: 34ch; } /* === world：世界の上に固定するHUD === */ .bs-hud { position: absolute; inset: 0; padding: clamp(78px, 10vh, 130px) var(--pad) clamp(56px, 8vh, 96px); display: grid; grid-template-rows: auto 1fr auto; pointer-events: none; } .bs-hud a, .bs-hud button { pointer-events: auto; } .bs-hud__lead { margin: 0; max-width: min(24ch, 62vw); font-family: var(--font-display); font-weight: 300; font-size: var(--t-h2); line-height: 1.35; } .bs-hud__foot { align-self: end; display: flex; flex-wrap: wrap; gap: 10px 34px; align-items: flex-end; justify-content: space-between; } .bs-hud__skills { margin: 0; max-width: 46ch; color: var(--ink-dim); } .bs-hud__micro { font-family: var(--font-ui); font-size: 0.62rem; letter-spacing: 0.14em; line-height: 1.9; color: var(--ink-faint); text-transform: uppercase; } /* === symbol：象徴の下に入口を生やす === */ .bs-doors { position: absolute; inset: auto 0 clamp(48px, 9vh, 110px); display: grid; place-items: center; gap: 1.2rem; padding-inline: var(--pad); } .bs-doors__title { margin: 0; text-align: center; font-family: var(--font-display); font-weight: 300; font-size: var(--t-h2); line-height: 1.3; } .bs-doors__note { margin: 0; text-align: center; color: var(--ink-dim); max-width: 46ch; } .bs-doors__row { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 0.6rem; } /* 3Dの上に文字を置く型は、下端に暗幕を敷いて可読性を担保する。 背景に何が来ても読めることを保証するための保険。 */ [data-scene="symbol"] .bs-stage.is-webgl .bs-stage__sticky::after, [data-scene="world"] .bs-stage.is-webgl .bs-stage__sticky::after { content: ""; position: absolute; inset: auto 0 0; height: 46%; background: linear-gradient(to top, var(--bg) 6%, transparent 100%); pointer-events: none; } [data-scene="symbol"] .bs-doors, [data-scene="world"] .bs-hud { z-index: 1; } /* === blades：幕ごとの文言 === */ .bs-acts { position: absolute; inset: 0; display: grid; place-items: center; padding: var(--pad); pointer-events: none; } .bs-act { grid-area: 1 / 1; width: 100%; max-width: 1180px; opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease), transform .9s var(--ease); } .bs-act.is-on { opacity: 1; transform: none; } .bs-act__line { margin: .4rem 0 0; font-family: var(--font-display); font-weight: 300; font-size: clamp(1.4rem, 2.6vw, 2.4rem); letter-spacing: .04em; } .bs-act--center { text-align: center; } .bs-act__big { margin: 0; font-family: var(--font-display); font-weight: 300; font-size: clamp(1.9rem, 4.4vw, 4.2rem); line-height: 1.4; letter-spacing: .03em; text-shadow: 0 2px 40px color-mix(in srgb, var(--bg) 85%, transparent); } .bs-names { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: clamp(14px, 3vw, 48px); justify-content: center; } .bs-names li { font-family: var(--font-ui); font-size: clamp(.78rem, 1.3vw, 1.05rem); letter-spacing: .22em; position: relative; padding-bottom: .5em; } .bs-names li::after { content: ""; position: absolute; inset: auto 0 0; height: 1px; background: var(--line); } .bs-names li + li::before { content: "×"; position: absolute; left: calc(clamp(14px, 3vw, 48px) * -0.5); transform: translateX(-50%); color: var(--ink-faint); } /* 白への反転。3D側の背景色も同時に白へ寄る */ .bs-act--flip { text-align: center; } .bs-flip__copy { margin: 0; font-family: var(--font-display); font-weight: 300; font-size: clamp(2.0rem, 6vw, 5.6rem); line-height: 1.25; letter-spacing: .02em; color: #14120f; } .bs-flip__sub { margin: 1.6rem 0 0; color: rgba(20,18,15,.62); font-size: clamp(.9rem, 1.2vw, 1.1rem); letter-spacing: .08em; } .bs-flip__copy .bs-ch { display: inline-block; opacity: 0; transform: translateY(.6em) rotate(6deg); transition: opacity .6s var(--ease), transform .6s var(--ease); } .bs-act--flip.is-on .bs-flip__copy .bs-ch { opacity: 1; transform: none; } /* 反転後はヘッダーの文字も黒へ */ .bs-stage[data-flip="1"] ~ * .bs-header, [data-flip="1"] .bs-header__logo, [data-flip="1"] .bs-header__link { color: #14120f; } /* === 章立て（chapter）の操作 === */ .bs-chapters { position: absolute; right: var(--pad); top: 50%; transform: translateY(-50%); display: grid; gap: 12px; } .bs-chapters button { width: 9px; height: 9px; border-radius: 999px; border: 1px solid var(--line); transition: background-color 0.4s var(--ease); } .bs-chapters button.is-current { background: var(--ink); } .bs-next { position: absolute; left: 50%; bottom: clamp(28px, 5vh, 60px); transform: translateX(-50%); } /* --- WebGL不可・reduced-motion：ページとして読める形に落ちる --- */ .bs-stage:not(.is-webgl) { height: auto; background: linear-gradient(180deg, var(--bg), var(--bg-2)); } .bs-stage:not(.is-webgl) .bs-stage__sticky { position: static; height: auto; overflow: visible; } .bs-stage:not(.is-webgl) .bs-layer, .bs-stage:not(.is-webgl) .bs-stanzas, .bs-stage:not(.is-webgl) .bs-stations, .bs-stage:not(.is-webgl) .bs-hud, .bs-stage:not(.is-webgl) .bs-doors { position: static; display: block; inset: auto; padding: 14svh var(--pad) 8svh; } .bs-stage:not(.is-webgl) .bs-stanza { margin: 0 auto clamp(90px, 20svh, 240px); max-width: min(60ch, 88vw); } .bs-stage:not(.is-webgl) .bs-stanza:last-child { margin-bottom: 0; } .bs-stage:not(.is-webgl) .bs-station { display: block; opacity: 1; transform: none; pointer-events: auto; margin: 0 auto clamp(56px, 10svh, 120px); max-width: 60ch; } .bs-stage:not(.is-webgl) .bs-station__title { margin-bottom: 0.8rem; } .bs-stage:not(.is-webgl) .bs-hud__lead { margin-bottom: 2rem; } .bs-stage:not(.is-webgl) .bs-chapters, .bs-stage:not(.is-webgl) .bs-hint { display: none; } .bs-hint { position: absolute; left: 50%; bottom: clamp(24px, 4vh, 54px); transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.9rem; transition: opacity 0.7s var(--ease); } .bs-hint.is-hidden { opacity: 0; pointer-events: none; } .bs-hint__line { width: 1px; height: 46px; background: linear-gradient(var(--ink-faint), transparent); position: relative; overflow: hidden; } .bs-hint__line::after { content: ""; position: absolute; inset: 0; background: var(--ink); animation: bs-drop 2.4s var(--ease) infinite; } @keyframes bs-drop { 0% { transform: translateY(-100%); } 55%, 100% { transform: translateY(100%); } } .bs-sound { position: fixed; right: var(--pad); bottom: clamp(20px, 3vh, 40px); z-index: 110; display: flex; align-items: flex-end; gap: 3px; height: 18px; } .bs-sound span { width: 2px; background: var(--ink-dim); height: 5px; transition: height 0.3s var(--ease); } .bs-sound.is-on span { animation: bs-eq 1.1s ease-in-out infinite alternate; } .bs-sound.is-on span:nth-child(2) { animation-delay: 0.18s; } .bs-sound.is-on span:nth-child(3) { animation-delay: 0.36s; } .bs-sound.is-on span:nth-child(4) { animation-delay: 0.09s; } @keyframes bs-eq { to { height: 17px; } } /* 舞台を固定したときは、以降の本文が舞台の上に重なる */ [data-progress="chapter"] .bs-shell > *:not(.bs-stage), [data-progress="static"] .bs-shell > *:not(.bs-stage) { position: relative; z-index: 2; background: var(--bg); } /* ---------- 5.9 常駐キャンバス（canvas: 'page'） ---------- 3Dをページ全体の背後に固定し、文章がその上を流れる構成。 これを入れないと、舞台を通り過ぎた瞬間に3Dが消える。 */ .bs-canvas--page { position: fixed; inset: 0; z-index: 0; pointer-events: none; } /* フィナーレのあいだだけ、3D（マスコットと台）をフッターのカードより前へ。 シーン側が html に .bs-finale-front を付け外しする（mascot.js）。 重なり順：固定ボタン(9999) ＞ 3D(888) ＞ カーソル(900は3Dの上) ＞ カード類。 canvas は pointer-events: none なのでボタン・リンクはそのまま押せる */ .bs-finale-front .bs-canvas--page { z-index: 888; } .bs-finale-front .bs-cursor { z-index: 900; } .has-page-canvas body { background: transparent; } .has-page-canvas { background: var(--bg); } /* 透明canvasの奥で地色を描くのはここ */ .has-page-canvas .bs-shell, .has-page-canvas .bs-header, .has-page-canvas .bs-footer { position: relative; z-index: 1; } /* 常駐時の舞台の高さ。既定は1画面だが、scrollVh を指定すれば伸びる。 段取りの多い物語（blades など）は、ここに長さが要る。 */ .has-page-canvas[data-progress="scroll"] .bs-stage, .has-page-canvas[data-progress="page"] .bs-stage { height: calc(var(--bs-scroll-vh, 100) * 1svh); } .has-page-canvas[data-progress="scroll"] .bs-stage__sticky, .has-page-canvas[data-progress="page"] .bs-stage__sticky { position: sticky; top: 0; height: 100svh; } /* 文章の背後は素通しにして、読むところだけ暗幕を敷く */ .has-page-canvas .bs-section { background: transparent; } .has-page-canvas .bs-read, .has-page-canvas .bs-section--veil { background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(3px); } .has-page-canvas .bs-footer { background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(6px); } /* 3Dの上に置く見出し・本文は、影で最低限の可読性を確保する */ .has-page-canvas .bs-lead__title, .has-page-canvas .bs-benefits__title, .has-page-canvas .bs-faq__title, .has-page-canvas .bs-station__title { text-shadow: 0 2px 24px color-mix(in srgb, var(--bg) 80%, transparent); } /* ---------- 5.95 文章側の演出 ---------- */ [data-parallax] { will-change: transform; } [data-pin] { position: sticky; top: clamp(84px, 12vh, 140px); } .has-js [data-reveal="rise"] { opacity: 0; transform: translateY(46px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease); } .has-js [data-reveal="rise"].is-in { opacity: 1; transform: none; } [data-reveal="letters"] { display: inline-block; } .has-js [data-reveal="letters"] .bs-ch { display: inline-block; opacity: 0; transform: translateY(0.55em); transition: opacity .7s var(--ease), transform .7s var(--ease); } .has-js [data-reveal="letters"].is-in .bs-ch { opacity: 1; transform: none; } /* ---------- 6. エディトリアル ---------- */ .bs-section { padding-block: clamp(96px, 15vh, 210px); position: relative; } .bs-section--tight { padding-block: clamp(64px, 9vh, 130px); } .bs-lead__label { grid-column: 1 / span 5; } .bs-lead__title { grid-column: 7 / span 15; font-family: var(--font-display); font-weight: 300; font-size: var(--t-h2); line-height: 1.45; letter-spacing: 0.005em; margin: 0; text-wrap: balance; } .bs-lead__body { grid-column: 7 / span 11; margin: clamp(28px, 4vw, 56px) 0 0; color: var(--ink-dim); max-width: 62ch; } .bs-figure { grid-column: 1 / -1; margin: clamp(48px, 8vh, 120px) 0 0; overflow: hidden; } .bs-figure img { width: 100%; height: auto; } .bs-figure figcaption { margin-top: 1rem; } /* ---------- 6.5 読み物（検索とAIに渡す実体） ---------- */ .bs-read__label { grid-column: 1 / span 4; } .bs-read__body { grid-column: 6 / span 14; } .bs-read__h2 { font-family: var(--font-display); font-weight: 300; font-size: var(--t-h2); line-height: 1.4; margin: 0 0 1.6em; text-wrap: balance; } .bs-read__h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--t-h3); line-height: 1.5; margin: 2.8em 0 0.9em; padding-top: 1.4em; border-top: 1px solid var(--line); } .bs-read__body p { margin: 0 0 1.6em; max-width: 62ch; } .bs-read__quote { margin: 2.6em 0; padding-left: clamp(18px, 2.4vw, 38px); border-left: 1px solid var(--line); } .bs-read__quote blockquote { margin: 0 0 0.8em; font-family: var(--font-display); font-size: clamp(1.05rem, 1.5vw, 1.45rem); line-height: 1.8; font-weight: 300; } .bs-read__quote figcaption { margin: 0; } /* ---------- 7. 便益（番号つきの3段） ---------- */ .bs-benefits__head { grid-column: 1 / span 9; } .bs-benefits__title { font-family: var(--font-display); font-weight: 300; font-size: var(--t-h2); line-height: 1.35; margin: 0.6rem 0 0; } .bs-benefits__list { grid-column: 12 / span 13; } .bs-benefit { display: grid; grid-template-columns: 3.2rem 1fr; column-gap: clamp(16px, 2vw, 34px); padding-block: clamp(28px, 4vh, 48px); border-top: 1px solid var(--line); } .bs-benefit:last-child { border-bottom: 1px solid var(--line); } .bs-benefit__no { font-family: var(--font-ui); font-size: var(--t-meta); letter-spacing: 0.16em; color: var(--ink-faint); padding-top: 0.55em; } .bs-benefit__title { font-family: var(--font-display); font-weight: 400; font-size: var(--t-h3); margin: 0 0 0.6rem; line-height: 1.5; } .bs-benefit__text { margin: 0; color: var(--ink-dim); max-width: 52ch; } /* ---------- 8. オファー ---------- */ .bs-offer { grid-column: 5 / span 16; text-align: center; } .bs-offer__title { font-family: var(--font-display); font-weight: 300; font-size: var(--t-h2); line-height: 1.4; margin: 1rem 0 0; } .bs-offer__note { color: var(--ink-dim); margin: 1.6rem auto 0; max-width: 46ch; } .bs-offer__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: clamp(30px, 4vw, 52px); } /* ---------- 9. FAQ ---------- */ .bs-faq__title { grid-column: 1 / span 8; font-family: var(--font-display); font-weight: 300; font-size: var(--t-h2); margin: 0; line-height: 1.35; } .bs-faq__list { grid-column: 11 / span 14; } .bs-faq__item { border-top: 1px solid var(--line); } .bs-faq__item:last-child { border-bottom: 1px solid var(--line); } .bs-faq__trigger { display: flex; width: 100%; gap: 24px; align-items: flex-start; justify-content: space-between; text-align: left; padding-block: clamp(22px, 3vh, 34px); } .bs-faq__q { font-family: var(--font-display); font-size: var(--t-h3); font-weight: 400; line-height: 1.55; } .bs-faq__sign { position: relative; flex: 0 0 14px; height: 14px; margin-top: 0.5em; } .bs-faq__sign::before, .bs-faq__sign::after { content: ""; position: absolute; background: var(--ink); transition: transform 0.55s var(--ease), opacity 0.55s var(--ease); } .bs-faq__sign::before { inset: 6px 0 auto; height: 1px; } .bs-faq__sign::after { inset: 0 6px auto; width: 1px; height: 14px; } .bs-faq__item.is-open .bs-faq__sign::after { transform: scaleY(0); opacity: 0; } .bs-faq__body { max-height: 0; overflow: hidden; transition: max-height 0.7s var(--ease); } .bs-faq__body p { margin: 0 0 clamp(22px, 3vh, 34px); color: var(--ink-dim); max-width: 62ch; } /* ---------- 10. フッター ---------- */ .bs-footer { border-top: 1px solid var(--line); padding-block: clamp(60px, 9vh, 120px) 40px; } .bs-footer__blocks { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); } .bs-footer__block { background: var(--bg); padding: clamp(32px, 5vw, 70px); display: flex; flex-direction: column; gap: 1.6rem; align-items: flex-start; } .bs-footer__block p { margin: 0; color: var(--ink-dim); max-width: 40ch; } .bs-footer__bottom { display: flex; flex-wrap: wrap; gap: 18px 34px; justify-content: space-between; align-items: center; margin-top: clamp(40px, 6vh, 76px); } .bs-footer__links { display: flex; flex-wrap: wrap; gap: 18px 26px; } /* ---------- 11. 出現 ---------- */ .has-js [data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); will-change: opacity, transform; } .has-js [data-reveal].is-in { opacity: 1; transform: none; } .has-js [data-reveal="mask"] { opacity: 1; transform: none; clip-path: inset(0 0 100% 0); transition: clip-path 1.25s var(--ease); } .has-js [data-reveal="mask"].is-in { clip-path: inset(0 0 0 0); } .has-js [data-reveal="zoom"] { opacity: 1; transform: none; overflow: hidden; } .has-js [data-reveal="zoom"] img { transform: scale(1.14); transition: transform 1.6s var(--ease); } .has-js [data-reveal="zoom"].is-in img { transform: none; } /* ---------- 12. レスポンシブ ---------- */ @media (max-width: 1024px) { .bs-lead__label { grid-column: 1 / -1; } .bs-lead__title, .bs-lead__body { grid-column: 1 / -1; } .bs-benefits__head, .bs-benefits__list { grid-column: 1 / -1; } .bs-benefits__list { margin-top: clamp(30px, 5vh, 60px); } .bs-faq__title, .bs-faq__list { grid-column: 1 / -1; } .bs-faq__list { margin-top: clamp(28px, 4vh, 54px); } .bs-offer { grid-column: 1 / -1; } .bs-footer__blocks { grid-template-columns: 1fr; } } @media (max-width: 1024px) { .bs-read__label, .bs-read__body { grid-column: 1 / -1; } .bs-read__body { margin-top: 1.6rem; } .bs-station__no { grid-column: 1 / -1; margin-bottom: 0.6rem; } .bs-station__title { grid-column: 1 / -1; } .bs-station__text { grid-column: 1 / -1; margin-top: 1.4rem; } } @media (max-width: 720px) { .bs-header__nav { display: none; } .bs-stanza { font-size: clamp(1.5rem, 6.6vw, 2.3rem); } .bs-hud__lead { font-size: clamp(1.4rem, 6.2vw, 2rem); } .bs-hud__foot { flex-direction: column; align-items: flex-start; gap: 14px; } .bs-chapters { right: 10px; } .bs-benefit { grid-template-columns: 1fr; row-gap: 0.6rem; } } @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; } [data-reveal] { opacity: 1 !important; transform: none !important; clip-path: none !important; } } /* ═══════════ 幕（スプラッシュ） ═══════════ 本編の3Dとは別物。中央に紋を置き、三本が一本ずつ嵌まる。 地は透かさない。ここは「入口」で、本編の続きではないため。 */ .has-js .bs-loader[data-splash="true"] { position: fixed; inset: 0; z-index: 4000; display: grid; grid-template-rows: 1fr auto; place-items: center; gap: 0; padding: clamp(28px, 5vw, 72px); background: radial-gradient(72% 58% at 50% 44%, #0d1a24, #04090f 72%), #04090f; color: #F2EFE9; transition: opacity .85s ease, clip-path 1.1s cubic-bezier(.76, 0, .24, 1); clip-path: polygon(-30% 0, 130% 0, 130% 100%, -30% 100%); } /* 刃が通ったように、斜めに開いて消える */ .bs-loader[data-splash="true"].is-gone { opacity: 0; pointer-events: none; clip-path: polygon(-30% -30%, 130% -130%, 130% -30%, -30% 130%); } .bs-loader__inner { display: grid; justify-items: center; gap: clamp(20px, 3.4vh, 44px); } .bs-loader__foot { width: min(1100px, 92vw); display: grid; justify-items: end; gap: clamp(8px, 1.4vh, 16px); } /* ── 紋 ── */ .bs-crest { width: clamp(290px, 36vw, 500px); height: auto; overflow: visible; } .bs-crest__blade { transform: rotate(var(--a)) translateY(54px) scale(.965); /* 軸＝刃の途中。ここを軸にすると、三本が「刃のところ」で交わる */ transform-origin: 1.9px -48.3px; opacity: 0; transition: transform .16s cubic-bezier(.18, 1.5, .36, 1), opacity .1s linear; } /* 嵌まった刀 */ .bs-crest__blade.is-set { transform: rotate(var(--a)); opacity: 1; } .bs-crest__steel { fill: #C6D2DE; } /* 刀身の下地 */ .bs-crest__ji { fill: #5E7387; } /* 鎬より棟側。地鉄の翳り */ .bs-crest__ha { fill: #F7FAFD; } /* 刃文より刃側。焼きが入って白い */ .bs-crest__hamon { fill: none; stroke: rgba(255,255,255,.85); stroke-width: 1.1; } .bs-crest__ridge { fill: none; stroke: rgba(16, 26, 36, .38); stroke-width: 1.2; } .bs-crest__yokote { fill: none; stroke: rgba(16, 26, 36, .45); stroke-width: 1.1; } .bs-crest__habaki { fill: #A5831F; } .bs-crest__fit { fill: #C9A227; } .bs-crest__grip { fill: #14161A; } /* 嵌まった瞬間、刃に光が走る */ .bs-crest__spark { fill: none; stroke: #FFFFFF; stroke-width: 11; stroke-linecap: round; opacity: 0; filter: blur(3px); } .bs-crest__blade.is-set .bs-crest__spark { animation: bs-chakin .34s ease-out 1; } @keyframes bs-chakin { 0% { opacity: .95; stroke-width: 16; } 100% { opacity: 0; stroke-width: 4; } } /* 交点で弾ける火花 */ .bs-crest__flash { fill: #FFFFFF; opacity: 0; transform-origin: 1.9px -48.3px; } .bs-crest.is-hit .bs-crest__flash { animation: bs-hit .38s ease-out 1; } @keyframes bs-hit { 0% { opacity: .9; transform: scale(.2); } 100% { opacity: 0; transform: scale(2.6); } } .bs-loader__mark { margin: 0; font-family: var(--font-ui); font-weight: 500; font-size: clamp(.72rem, 1vw, .92rem); letter-spacing: .3em; color: rgba(242, 239, 233, .66); opacity: 0; animation: bs-splash-in 1.2s .2s ease forwards; } @keyframes bs-splash-in { to { opacity: 1; } } /* 数取り機は隅へ。主役は紋 */ .bs-odo { display: flex; gap: .02em; font-family: var(--font-display); font-weight: 400; font-size: clamp(2.0rem, 4.4vw, 3.6rem); line-height: 1; letter-spacing: -.01em; font-variant-numeric: tabular-nums; color: rgba(242, 239, 233, .8); } /* 帯の1コマは 1em（送り量の計算がこれに乗る）。窓はそれより浅くして、 隣のコマの頭と足が覗くのを切る。ずらしたぶんは余白で戻す。 */ .bs-odo__digit { display: block; height: .86em; overflow: hidden; } .bs-odo__reel { display: block; margin-top: -.08em; will-change: transform; transition: transform .34s cubic-bezier(.22, 1, .36, 1); } .bs-odo__reel > span { display: block; height: 1em; line-height: 1; text-align: center; } .bs-loader__bar { width: 100%; position: relative; height: 1px; background: rgba(242, 239, 233, .14); overflow: hidden; } .bs-loader__bar-fill { position: absolute; inset: 0; transform-origin: 0 50%; transform: scaleX(0); background: linear-gradient(90deg, rgba(242,239,233,.3), #F2EFE9); } /* 幕のあいだはヘッダーを伏せる */ .is-locked .bs-header { opacity: 0; transition: opacity .5s ease; } @media (prefers-reduced-motion: reduce) { .has-js .bs-loader[data-splash="true"] { transition: opacity .3s ease; clip-path: none; } .bs-loader[data-splash="true"].is-gone { clip-path: none; } .bs-crest__blade { transition: none; } .bs-crest__blade.is-set .bs-crest__spark, .bs-crest.is-hit .bs-crest__flash { animation: none; } }