/* =========================================================================== style.css =========================================================================== */ :root { --bg: #07070a; --fg: #ecebf0; --muted: #8b8896; --dim: #55525e; --line: rgba(236, 235, 240, 0.12); --line-soft: rgba(236, 235, 240, 0.06); --accent: #7c6cf5; --accent-2: #4dd0c4; --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif; --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace; --pad: clamp(1.5rem, 5vw, 5rem); --ease: cubic-bezier(0.22, 1, 0.36, 1); } *, *::before, *::after { box-sizing: border-box; } html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; } body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--sans); font-size: 16px; line-height: 1.75; font-feature-settings: "palt" 1; /* 日本語の詰め */ -webkit-font-smoothing: antialiased; overflow-x: hidden; } body.is-transitioning { cursor: wait; } body.is-locked { overflow: hidden; } a { color: inherit; text-decoration: none; } ul { list-style: none; margin: 0; padding: 0; } h1, h2, h3 { font-weight: 600; margin: 0; letter-spacing: -0.02em; } .mono { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.09em; text-transform: uppercase; } /* ---------------------------------------------------------------- canvases */ #bg, #bg-fallback { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; display: block; } /* WebGL が使えない環境用。JS が成功したら .gl-ok が付いて消える。 */ #bg-fallback { background: radial-gradient(120% 90% at 20% 15%, #1a1540 0%, transparent 55%), radial-gradient(100% 80% at 85% 75%, #10303a 0%, transparent 60%), var(--bg); } .gl-ok #bg-fallback { display: none; } body:not(.gl-ok) #bg { display: none; } #fx { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 200; pointer-events: none; visibility: hidden; } #fx.is-active { visibility: visible; } /* 遷移で入ってきた直後、シェーダーが 1 フレーム描かれるまでの覆い。 .is-entering は に付く（head のインラインスクリプト参照）。 */ #enter-cover { position: fixed; inset: 0; z-index: 199; background: var(--bg); pointer-events: none; opacity: 0; visibility: hidden; } .is-entering #enter-cover { opacity: 1; visibility: visible; } /* ------------------------------------------------------------------ header */ .header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: clamp(1.1rem, 2.5vw, 1.9rem) var(--pad); mix-blend-mode: difference; /* 背景の明暗が変わっても文字が読める */ transition: background-color 0.4s var(--ease), padding 0.4s var(--ease), border-color 0.4s var(--ease); border-bottom: 1px solid transparent; } /* 縦に長い 1 枚ものなので、本文がヘッダーの下をずっと通り抜けていく。 先頭を離れたら下地を敷いて、ロゴやナビと文字が重ならないようにする。 下地を敷く以上 difference は使えないので通常合成に戻す。 */ .header.is-scrolled { mix-blend-mode: normal; background: rgba(7, 7, 10, 0.72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom-color: var(--line-soft); padding-top: 0.9rem; padding-bottom: 0.9rem; } .logo { display: flex; align-items: center; gap: 0.6rem; font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.14em; } .logo__mark { width: 9px; height: 9px; background: var(--fg); border-radius: 50%; animation: pulse 3.2s var(--ease) infinite; } @keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(0.5); opacity: 0.4; } } .nav { display: flex; gap: clamp(1rem, 2.5vw, 2.2rem); } .nav__link { position: relative; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; color: var(--muted); padding-bottom: 3px; transition: color 0.35s var(--ease); } .nav__num { font-size: 0.6rem; opacity: 0.5; margin-right: 0.45rem; } /* 下線を中央から伸ばす */ .nav__link::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: 50%; transition: transform 0.45s var(--ease); } .nav__link:hover, .nav__link.is-current { color: var(--fg); } .nav__link:hover::after, .nav__link.is-current::after { transform: scaleX(1); } .menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; cursor: pointer; } .menu-btn span { display: block; width: 22px; height: 1.5px; background: var(--fg); transition: transform 0.4s var(--ease), opacity 0.3s; } .menu-btn[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); } .menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); } /* ---------------------------------------------------------------- sections */ #main { position: relative; z-index: 1; } .section { position: relative; padding: clamp(5rem, 12vh, 8rem) var(--pad); /* 固定ヘッダーの下に見出しが潜らないように、アンカー移動時の余白を確保 */ scroll-margin-top: 3rem; } .section--hero { display: flex; flex-direction: column; justify-content: center; min-height: 100svh; padding-top: clamp(7rem, 16vh, 10rem); } /* ヒーローの無いページ（work.html）の先頭セクション */ .section--top { padding-top: clamp(8rem, 18vh, 11rem); } /* --------------------------------------------------------------------- 見出し */ .eyebrow { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-2); margin: 0 0 1.4rem; } .section__head { max-width: 46rem; margin-bottom: clamp(3rem, 8vh, 5.5rem); } .section__title { font-size: clamp(2rem, 5.5vw, 3.4rem); line-height: 1.25; margin-bottom: 1.2rem; } .section__lead { color: var(--muted); max-width: 34rem; margin: 0; } /* ------------------------------------------------------------------- hero */ .hero { max-width: 60rem; } .hero__title { font-size: clamp(2.6rem, 9vw, 6.5rem); line-height: 1.1; letter-spacing: -0.035em; margin-bottom: 2rem; } .hero__title .line { display: block; } .hero__lead { font-size: clamp(0.95rem, 1.5vw, 1.12rem); color: var(--muted); max-width: 34rem; margin: 0 0 2.8rem; } .hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; } .hero__meta { position: absolute; left: var(--pad); bottom: clamp(1.5rem, 4vh, 2.5rem); display: flex; flex-direction: column; gap: 0.35rem; color: var(--dim); } /* 下にまだ続くことを示す。線が上下に動く。 */ .scroll-hint { position: absolute; right: var(--pad); bottom: clamp(1.5rem, 4vh, 2.5rem); display: flex; flex-direction: column; align-items: center; gap: 0.7rem; color: var(--dim); transition: color 0.4s var(--ease); } .scroll-hint:hover { color: var(--fg); } .scroll-hint__line { width: 1px; height: 3rem; background: linear-gradient(to bottom, currentColor, transparent); animation: drop 2.4s var(--ease) infinite; transform-origin: top; } @keyframes drop { 0% { transform: scaleY(0); opacity: 0; } 35% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1) translateY(3rem); opacity: 0; } } /* ----------------------------------------------------------------- buttons */ .btn { display: inline-flex; align-items: center; padding: 0.85rem 1.7rem; border: 1px solid var(--line); border-radius: 100px; font-size: 0.88rem; letter-spacing: 0.02em; transition: border-color 0.4s var(--ease), background-color 0.4s var(--ease), color 0.4s var(--ease), transform 0.4s var(--ease); } .btn:hover { border-color: rgba(236, 235, 240, 0.45); transform: translateY(-2px); } .btn--primary { background: var(--fg); color: #08080c; border-color: var(--fg); } .btn--primary:hover { background: var(--accent); border-color: var(--accent); color: var(--fg); } /* 一覧への導線。横幅いっぱいに引き伸ばして区切りも兼ねる。 */ .btn--wide { width: 100%; justify-content: space-between; padding: 1.4rem 2rem; border-radius: 4px; } .btn--wide:hover { transform: none; background: rgba(236, 235, 240, 0.04); } .btn__count { color: var(--dim); } .btn--wide:hover .btn__count { color: var(--accent-2); } /* -------------------------------------------------------------------- work */ .work { display: grid; grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); } .card { display: block; } .card__visual { position: relative; height: 13rem; border-radius: 3px; overflow: hidden; margin-bottom: 1.4rem; /* --h は各カードの HTML 側で指定した色相 */ background: radial-gradient(120% 120% at 25% 20%, hsl(var(--h) 62% 26%) 0%, hsl(calc(var(--h) + 35) 45% 9%) 62%, #0a0a0f 100%); transition: transform 0.7s var(--ease); } /* 画像がまだ無いので、粒状のオーバーレイでのっぺり感を消しておく */ .card__visual::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,0.10) 0.5px, transparent 0.5px); background-size: 3px 3px; opacity: 0.55; mix-blend-mode: overlay; } .card__idx { position: absolute; left: 1rem; bottom: 0.85rem; z-index: 1; color: rgba(255, 255, 255, 0.55); } .card:hover .card__visual { transform: translateY(-6px) scale(1.012); } .card__title { font-size: 1.14rem; margin-bottom: 0.5rem; transition: color 0.35s var(--ease); } .card:hover .card__title { color: var(--accent-2); } .card__desc { color: var(--muted); font-size: 0.9rem; line-height: 1.7; margin: 0 0 0.9rem; } .card__tags { color: var(--dim); } .work__more { margin-top: clamp(2.5rem, 6vh, 4rem); } /* ------------------------------------------------------------------- about */ .about { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(2.5rem, 6vw, 6rem); max-width: 74rem; } .about__bio p { font-size: clamp(0.98rem, 1.4vw, 1.1rem); margin: 0 0 1.7rem; color: #cfcdd7; } .about__bio p:last-child { margin-bottom: 0; } .about__side { display: flex; flex-direction: column; gap: 2.6rem; } .stack__label { color: var(--accent-2); margin: 0 0 1rem; padding-bottom: 0.7rem; border-bottom: 1px solid var(--line-soft); font-weight: 400; } .stack__list li { padding: 0.5rem 0; color: var(--muted); font-size: 0.92rem; } .stack__list--time li { display: flex; gap: 1rem; } .stack__list--time .mono { color: var(--dim); flex-shrink: 0; } .footer { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; margin: 0 var(--pad); padding: 1.6rem 0 clamp(2rem, 5vh, 3.5rem); border-top: 1px solid var(--line-soft); color: var(--dim); } /* ------------------------------------------------------- 出現アニメーション */ [data-r] { opacity: 0; transform: translateY(22px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); } [data-r].is-in { opacity: 1; transform: none; } /* ------------------------------------------------------------- responsive */ @media (max-width: 820px) { .about { grid-template-columns: 1fr; } } @media (max-width: 680px) { .menu-btn { display: flex; } .nav { position: fixed; inset: 0; z-index: -1; flex-direction: column; justify-content: center; align-items: flex-start; gap: 1.6rem; padding: var(--pad); background: rgba(7, 7, 10, 0.94); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); opacity: 0; pointer-events: none; transition: opacity 0.45s var(--ease); } .nav.is-open { opacity: 1; pointer-events: auto; } .nav__link { font-size: 1.1rem; letter-spacing: 0.04em; } .nav__link::after { display: none; } .hero__meta { position: static; margin-top: 3rem; } .scroll-hint { display: none; } .section--hero { padding-top: 8rem; } .work { grid-template-columns: 1fr; } } /* ------------------------------------------------- 動きを減らす設定への対応 */ @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; } [data-r] { opacity: 1; transform: none; } } /* キーボード操作時のフォーカス表示 */ :focus-visible { outline: 2px solid var(--accent-2); outline-offset: 4px; border-radius: 2px; }