/* 色はロゴの2色（チャコール #1A2223・生成り #FEE7C2）から。正本は M_メルマガ/03_ブランド/README.md */
:root {
  --paper: #fbf4e8;
  --paper-2: #f3e6cf;
  --ink: #1a2223;
  --ink-soft: #5b625f;
  --line: #e2d5bd;
  --accent: #1a2223;
  --accent-ink: #fee7c2;
  --draft: #8a6a1f;
  --f-display: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --f-body: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1a2223; --paper-2: #232d2e; --ink: #fee7c2; --ink-soft: #b9ab92;
    --line: #34403f; --accent: #fee7c2; --accent-ink: #1a2223; --draft: #d8b45e;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--f-body); font-size: 16px; line-height: 1.85;
  padding: 0 20px 64px;
}
img { max-width: 100%; display: block; }
.wrap { max-width: 880px; margin: 0 auto; }
a { color: inherit; text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.draft-bar {
  font-family: var(--f-mono); font-size: 12px; letter-spacing: .04em;
  color: var(--draft); border-bottom: 1px dashed var(--draft);
  padding-block: 10px; text-align: center;
}

nav.top {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  padding-block: 20px; border-bottom: 1px solid var(--line);
}
nav.top .mark { display: flex; align-items: center; gap: 10px; font-family: var(--f-display); font-weight: 800; font-size: 22px; text-decoration: none; }
nav.top .mark img { border-radius: 50%; }
nav.top ul { list-style: none; display: flex; gap: 20px; flex-wrap: wrap; margin: 0; padding: 0; font-size: 14px; }
nav.top ul a { text-decoration: none; color: var(--ink-soft); }
nav.top ul a:hover { color: var(--ink); }

.hero { text-align: center; padding-block: 72px 56px; }
.hero h1 {
  font-family: var(--f-display); font-weight: 800; margin: 0;
  font-size: clamp(88px, 22vw, 200px); line-height: .9; letter-spacing: .06em;
}
.hero h1 .m { color: var(--draft); }
.hero .axis { width: 1px; height: 40px; background: var(--line); margin: 24px auto; }
.hero p { margin: 0 auto; max-width: 30em; color: var(--ink-soft); font-size: 15px; }

section { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding-block: 48px; border-top: 1px solid var(--line); }
section > * { min-width: 0; }
.label { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; color: var(--ink-soft); text-transform: uppercase; padding-top: 6px; }
h2 { font-family: var(--f-display); font-weight: 700; font-size: 28px; line-height: 1.4; margin: 0 0 12px; }
.lead { color: var(--ink-soft); margin: 0 0 24px; max-width: 34em; }

/* メルマガ */
.signup-frame { width: 100%; max-width: 520px; height: 150px; border: 1px solid var(--line); border-radius: 4px; background: #fff; }
.issues { list-style: none; margin: 28px 0 0; padding: 0; }
.issues li { display: grid; grid-template-columns: 72px 1fr auto; gap: 16px; padding-block: 12px; border-bottom: 1px solid var(--line); align-items: baseline; }
.issues a { text-decoration: none; }
.issues a:hover { text-decoration: underline; }
.issues .no, .issues .date { font-family: var(--f-mono); font-size: 13px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.more { margin: 16px 0 0; font-size: 14px; }

/* Kindle */
.books { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 28px; }
.book { display: grid; gap: 10px; text-decoration: none; }
.cover {
  aspect-ratio: 1 / 1.6; border-radius: 2px;
  display: flex; flex-direction: column; justify-content: space-between; padding: 18px 16px;
  font-family: var(--f-display); box-shadow: 6px 6px 0 var(--paper-2);
}
.cover .t { font-size: 20px; font-weight: 800; line-height: 1.35; writing-mode: vertical-rl; align-self: flex-end; height: 70%; }
.cover .a { font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; }
.c1 { background: var(--accent); color: var(--accent-ink); }
.c3 { background: var(--paper-2); color: var(--ink); border: 1px solid var(--line); }
.book .meta { font-size: 14px; line-height: 1.6; }
.book .meta small { display: block; color: var(--ink-soft); font-size: 12px; }

/* 写真 */
.gallery { display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: 120px; gap: 8px; }
.ph { position: relative; border-radius: 2px; overflow: hidden; width: 100%; height: 100%; object-fit: cover; }
.ph span { position: absolute; left: 8px; bottom: 6px; font-family: var(--f-mono); font-size: 10px; color: #fff; letter-spacing: .06em; }
.p1 { grid-column: span 4; grid-row: span 2; background: linear-gradient(160deg, #a8a08c, #4f5a55 60%, #1a2223); }
.p2 { grid-column: span 2; background: linear-gradient(200deg, #e9d3ab, #a08c66); }
.p3 { grid-column: span 2; background: linear-gradient(120deg, #7b8794, #3e4954); }
.p4 { grid-column: span 3; background: linear-gradient(180deg, #d6cfc0, #8a8f88); }
.p5 { grid-column: span 3; background: linear-gradient(30deg, #5d4b43, #b08f78); }

/* プロフィール */
.profile { display: grid; grid-template-columns: 96px 1fr; gap: 24px; align-items: start; }
.avatar { width: 96px; height: 96px; border-radius: 50%; }
.links { display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; }
.links .todo { color: var(--ink-soft); }

footer { text-align: center; font-family: var(--f-mono); font-size: 12px; color: var(--ink-soft); padding-top: 40px; border-top: 1px solid var(--line); }

@media (max-width: 640px) {
  section { grid-template-columns: 1fr; gap: 8px; padding-block: 40px; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .p1 { grid-column: span 2; grid-row: span 2; }
  .p2, .p3, .p4, .p5 { grid-column: span 1; }
  .issues li { grid-template-columns: 64px 1fr; }
  .issues .date { grid-column: 2; }
  .profile { grid-template-columns: 1fr; }
  .books { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}