/* katatedake トップページ */

:root {
  --bg: #f6f6f3;
  --surface: #ffffff;
  --ink: #141414;
  --muted: #6b6b66;
  --line: #e4e4de;
  --accent: #2f6fd6;
  --shadow: 0 1px 2px rgb(20 20 20 / 0.04), 0 8px 24px rgb(20 20 20 / 0.06);
  --shadow-hover: 0 2px 4px rgb(20 20 20 / 0.06), 0 16px 40px rgb(20 20 20 / 0.1);
  --radius: 20px;
  --gutter: clamp(20px, 5vw, 40px);
  --font: "Inter", "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Noto Sans JP", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --surface: #1b1b1b;
    --ink: #f1f1ee;
    --muted: #9a9a94;
    --line: #2c2c2a;
    --accent: #7fb0ff;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3);
    --shadow-hover: 0 12px 32px rgb(0 0 0 / 0.45);
    color-scheme: dark;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header,
main,
.site-footer {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/*
 * ロゴの文字だけに使う書体（Fredoka、SIL Open Font License 1.1。/fonts/Fredoka-OFL.txt）
 * 「katatedake」に使う文字だけを取り出したもの（1.6KB）
 */
@font-face {
  font-family: "Fredoka Wordmark";
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/fredoka-wordmark.woff2") format("woff2");
  unicode-range: U+4B, U+61, U+64-65, U+6B, U+74;
}

/* ヘッダー */
.site-header {
  padding-top: max(24px, env(safe-area-inset-top));
  padding-bottom: 24px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  /* きのこのアイコンに合わせて、丸みのある書体にする */
  font-family: "Fredoka Wordmark", ui-rounded, "Hiragino Maru Gothic ProN", var(--font);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: 0.02em;
}

/* 文字を少しだけ傾けて、ゆるさを出す */
.wordmark span {
  display: inline-block;
  transform: rotate(-3deg);
}

main {
  flex: 1;
}

/* ヒーロー */
.hero {
  padding: clamp(48px, 12vw, 120px) 0 clamp(48px, 10vw, 96px);
}

.eyebrow,
.section-label {
  margin: 0 0 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero h1 {
  margin: 0;
  font-size: clamp(32px, 7.4vw, 60px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.lead {
  margin: 28px 0 0;
  max-width: 34em;
  color: var(--muted);
  font-size: clamp(15px, 2.2vw, 17px);
}

/* 作品 */
.works {
  padding-bottom: clamp(64px, 12vw, 120px);
}

.section-label {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}

.work-link {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.work-link:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.work-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.work-icon {
  flex: none;
  width: 96px;
  height: 96px;
  border-radius: 22px;
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.12);
}

.work-body {
  min-width: 0;
}

.work-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.work-head h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
}

.badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
}

.work-desc {
  margin: 10px 0 0;
  font-size: 15px;
  color: var(--muted);
}

.work-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.work-meta span::before {
  content: "#";
  margin-right: 2px;
  opacity: 0.6;
}

.work-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.work-cta svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.25s ease;
}

.work-link:hover .work-cta svg {
  transform: translateX(4px);
}

/* フッター */
.site-footer {
  padding-top: 24px;
  padding-bottom: max(32px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
  font-size: 13px;
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

/* 404 */
.notfound {
  padding: clamp(64px, 16vw, 160px) 0;
}

.notfound h1 {
  margin: 0;
  font-size: clamp(28px, 6vw, 44px);
  line-height: 1.3;
}

.notfound p {
  color: var(--muted);
}

.text-link {
  font-weight: 600;
  border-bottom: 1px solid currentColor;
}

/* スマホ */
@media (max-width: 560px) {
  .work-link {
    flex-direction: column;
    gap: 20px;
    padding: 24px;
  }

  .work-icon {
    width: 72px;
    height: 72px;
    border-radius: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}