/* ============================================================
   制作実績（作品集）— 2件のデモサイトへの入口
   デモ本体2つがそれぞれ強い個性を持つので、この器は徹底して中立に組む
   ============================================================ */
:root {
  --bg: #101112;
  --bg-2: #17191b;
  --line: #26292c;
  --line-2: #363b3f;
  --fg: #eceeef;
  --fg-2: #9ba1a6;
  --fg-3: #6d7479;
  --acc: #d8d2c4;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(.2,.7,.3,1);
}
*, *::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: 15px; line-height: 1.9; letter-spacing: .04em;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: 700; line-height: 1.5; font-feature-settings: "palt"; text-wrap: balance; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; }

.wrap { width: min(100% - 2.6rem, 1120px); margin-inline: auto; }
.mono { font-family: var(--mono); letter-spacing: .16em; text-transform: uppercase; font-size: .74rem; color: var(--fg-3); }

/* ── 導入 ─────────────────────────────────────────────── */
.head { padding-block: clamp(64px, 11vw, 132px) clamp(40px, 6vw, 72px); border-bottom: 1px solid var(--line); }
.head h1 { font-size: clamp(1.5rem, 3.4vw, 2.3rem); margin-top: 1.6rem; letter-spacing: .02em; }
.head p { color: var(--fg-2); font-size: .92rem; margin-top: 1.6rem; max-width: 46em; text-wrap: pretty; }

/* ── 実績 ─────────────────────────────────────────────── */
.works { padding-block: clamp(48px, 7vw, 88px); display: grid; gap: clamp(48px, 7vw, 92px); }
.work { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(1.8rem, 4vw, 3.4rem); align-items: center; }
.work:nth-child(even) { grid-template-columns: 1fr 1.25fr; }   /* 左右を入れ替えても図版の大きさは揃える */
.work:nth-child(even) .shot { order: 2; }
.shot { position: relative; overflow: hidden; border: 1px solid var(--line); background: var(--bg-2); display: block; }
.shot img { width: 100%; transition: transform 1.1s var(--ease), filter .5s var(--ease); }
.shot:hover img { transform: scale(1.03); }
.shot::after {
  content: "サイトを開く →"; position: absolute; inset: auto 0 0 0;
  background: linear-gradient(transparent, rgba(16,17,18,.94)); color: var(--fg);
  font-size: .8rem; letter-spacing: .1em; padding: 3rem 1.4rem 1.2rem;
  opacity: 0; transition: opacity .4s var(--ease);
}
.shot:hover::after { opacity: 1; }
.work h2 { font-size: clamp(1.2rem, 2.4vw, 1.6rem); margin-top: 1.1rem; }
.work .desc { color: var(--fg-2); font-size: .88rem; margin-top: 1.2rem; line-height: 2.05; }
.work dl { margin: 1.8rem 0 0; padding-top: 1.4rem; border-top: 1px solid var(--line); display: grid; grid-template-columns: 6.5em 1fr; gap: .6rem 1.2rem; font-size: .82rem; }
.work dt { color: var(--fg-3); }
.work dd { margin: 0; color: var(--fg-2); }
.work .go { display: inline-flex; align-items: center; gap: .7em; margin-top: 1.8rem; font-size: .84rem; letter-spacing: .08em; border-bottom: 1px solid var(--line-2); padding-bottom: .4em; transition: border-color .3s var(--ease), color .3s var(--ease); }
.work .go:hover { color: var(--acc); border-color: var(--acc); }
.work .go .arw { transition: transform .3s var(--ease); }
.work .go:hover .arw { transform: translateX(4px); }

/* ── 進め方 ───────────────────────────────────────────── */
.about { border-top: 1px solid var(--line); padding-block: clamp(48px, 7vw, 88px); }
.about h2 { font-size: 1.2rem; margin-top: 1.2rem; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 2.4rem; }
.steps .st { background: var(--bg); padding: 1.6rem 1.5rem; }
.steps .st h3 { font-size: .94rem; margin-top: .9rem; }
.steps .st p { color: var(--fg-2); font-size: .8rem; margin-top: .7rem; line-height: 1.95; }
.tags { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2.4rem; }
.tags span { border: 1px solid var(--line-2); padding: .45em 1em; font-size: .76rem; color: var(--fg-2); letter-spacing: .06em; }

/* ── 連絡 ─────────────────────────────────────────────── */
.foot { border-top: 1px solid var(--line); padding-block: clamp(40px, 5vw, 64px); }
.foot .note { color: var(--fg-3); font-size: .76rem; margin-top: 1.6rem; line-height: 1.9; }

@media (max-width: 900px) {
  .work, .steps { grid-template-columns: 1fr; }
  .work:nth-child(even) .shot { order: 0; }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }