/* Oguraso — single stylesheet.
   Light cream, Noto Sans, classic and quiet. No dark mode: the site is
   always warm paper, deliberately. */

:root {
  --bg: #fbf8f1;            /* cream */
  --ink: #403a30;           /* warm near-black */
  --muted: #8a8171;
  --line: #e9e1d2;
  --accent: #a34f2f;        /* soft persimmon */
  --accent-ink: #fffdf8;
  --card: #fffdf8;
  --callout: #f4eee0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans", "Noto Sans JP", -apple-system, "Segoe UI", "Hiragino Sans", sans-serif;
  line-height: 1.7;
  font-size: 1.02rem;
  -webkit-text-size-adjust: 100%;
}

.wrap { max-width: 40rem; margin: 0 auto; padding: 0 1.25rem; }

/* Header / nav */
header.site { border-bottom: 1px solid var(--line); padding: 1.1rem 0; background: var(--card); }
header.site .wrap {
  display: flex; flex-wrap: wrap; gap: .5rem 1.25rem;
  align-items: baseline; justify-content: space-between;
}
.brand { font-weight: 700; text-decoration: none; color: var(--ink); letter-spacing: .01em; }
.brand::before {
  content: ""; display: inline-block; width: .5em; height: .5em;
  border-radius: 50%; background: var(--accent);
  margin-right: .5em;
}
nav.main { display: flex; flex-wrap: wrap; gap: .9rem; font-size: .88rem; }
nav.main a { color: var(--muted); text-decoration: none; padding-bottom: 2px; }
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--ink); border-bottom: 2px solid var(--accent); }

main { padding: 3rem 0 3.5rem; }

h1 { font-size: 1.75rem; line-height: 1.35; margin: 0 0 1rem; font-weight: 700; }
h2 { font-size: 1.2rem; margin: 2.5rem 0 .75rem; font-weight: 700; }
h3 { font-size: 1.02rem; margin: 1.6rem 0 .4rem; font-weight: 700; }
p.lede { font-size: 1.1rem; color: var(--muted); margin-top: 0; }
a { color: var(--accent); text-underline-offset: 3px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.75rem 0; }

/* Section kicker — small kanji label, quiet */
.kicker {
  margin: 3rem 0 .2rem; padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: .85rem; letter-spacing: .2em; color: var(--muted);
  font-weight: 600;
}
.kicker .en { letter-spacing: .1em; font-weight: 400; font-size: .75rem; margin-left: .75em; text-transform: uppercase; }
.kicker + h2, .kicker + h1 { margin-top: .3rem; }

.jp { font-style: normal; }

/* Word-definition box */
.word {
  border: 1px solid var(--line); background: var(--card);
  border-radius: 8px; padding: 1.1rem 1.3rem; margin: 1.75rem 0;
}
.word .head { font-size: 1.25rem; letter-spacing: .08em; margin: 0 0 .25rem; font-weight: 600; }
.word .read { color: var(--muted); font-size: .88rem; margin-left: .6em; }
.word p { margin: .4rem 0 0; font-size: .95rem; }

/* Cards (three paths) */
.paths { display: grid; gap: 1rem; grid-template-columns: 1fr; padding: 0; margin: 1.5rem 0; list-style: none; }
@media (min-width: 640px) { .paths { grid-template-columns: repeat(3, 1fr); } }
.paths li {
  border: 1px solid var(--line);
  border-radius: 8px; background: var(--card); padding: 1.1rem 1rem 1.2rem;
  display: flex; flex-direction: column; gap: .35rem;
}
.paths .price { color: var(--accent); font-size: .85rem; font-weight: 600; }
.paths a { font-weight: 700; text-decoration: none; color: var(--ink); }
.paths a:hover { color: var(--accent); }
.paths p { margin: .25rem 0 0; font-size: .92rem; color: var(--muted); }

/* Buttons */
.btn {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  padding: .65rem 1.4rem; border-radius: 6px; text-decoration: none;
  font-weight: 600; border: 0; font-size: .95rem;
}
.btn:hover { filter: brightness(1.06); }
.btn.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }

/* Email signup box */
.signup {
  border: 1px solid var(--line);
  border-radius: 8px; background: var(--callout);
  padding: 1.2rem 1.4rem; margin: 2.25rem 0;
}
.signup h2, .signup h3 { margin-top: 0; }
.signup p { margin: .4rem 0; font-size: .95rem; }
.signup .fallback { font-size: .9rem; color: var(--muted); }

/* Steps */
ol.steps { padding-left: 1.3rem; }
ol.steps li { margin: .9rem 0; }

/* Callouts / promise */
.callout {
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  padding: 1.1rem 1.3rem; margin: 1.5rem 0;
}
.callout.guarantee { border-left: 4px solid var(--accent); font-size: 1.02rem; font-weight: 600; }

/* Tables — plain and readable */
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: .93rem; background: var(--card); }
th, td { border: 1px solid var(--line); padding: .55rem .7rem; text-align: left; vertical-align: top; }
th { background: var(--callout); font-weight: 600; }
td.num, th.num { text-align: right; white-space: nowrap; }
.table-scroll { overflow-x: auto; }

/* Included / not included lists */
ul.incl, ul.excl { list-style: none; padding-left: 0; }
ul.incl li::before { content: "○"; color: var(--accent); margin-right: .6em; }
ul.excl li::before { content: "—"; color: var(--muted); margin-right: .6em; }
ul.incl li, ul.excl li { margin: .35rem 0; }

/* Article list */
ul.articles { list-style: none; padding: 0; }
ul.articles li { margin: 1.5rem 0; padding-left: 1rem; border-left: 3px solid var(--line); }
ul.articles .date { color: var(--muted); font-size: .85rem; display: block; }
ul.articles a { font-weight: 700; }
article time { color: var(--muted); font-size: .9rem; }

/* Photo placeholders */
.photo-slot {
  border: 1px dashed var(--line); border-radius: 8px;
  padding: 2.5rem 1rem; text-align: center; color: var(--muted);
  font-size: .9rem; margin: 1rem 0; background: var(--card);
}

/* Footer */
footer.site {
  border-top: 1px solid var(--line);
  padding: 1.75rem 0 2.75rem; color: var(--muted); font-size: .88rem;
  background: var(--card);
}
footer.site nav { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: .8rem; }
footer.site a { color: var(--muted); }

img { max-width: 100%; height: auto; }