/* Hijiri Marketing — 媒体サイト */

:root {
  --ink:        #14161a;
  --ink-2:      #2b3038;
  --body:       #3d434d;
  --muted:      #6d7480;
  --line:       #e2e0da;
  --line-soft:  #efede7;
  --paper:      #fbfaf7;
  --paper-2:    #f4f2ec;
  --accent:     #a67c3d;
  --accent-ink: #8a6530;
  --max:        1080px;
  --measure:    36rem;
  --ff-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --ff-sans:  "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--body);
  font-family: var(--ff-sans);
  font-size: 16px;
  line-height: 1.95;
  font-feature-settings: "palt" 1;
  letter-spacing: .02em;
  overflow-wrap: anywhere;
}

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

a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .25em; }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: 20px; }
/* 本文は1080pxコンテナの左端に揃え、読み幅だけを絞る（見出しと本文の左端を一致させる） */
.narrow > * { max-width: 46rem; }

/* ---------- header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,250,247,.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 66px;
}
.brand { display: flex; align-items: baseline; gap: 10px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark {
  font-family: var(--ff-serif); font-size: 1.18rem; font-weight: 600;
  letter-spacing: .06em; color: var(--ink);
}
.brand-sub { font-size: .66rem; letter-spacing: .18em; color: var(--muted); }

.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--ink-2); font-size: .86rem; letter-spacing: .05em; }
.nav a:hover { color: var(--accent-ink); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--accent-ink); }

.nav-toggle {
  display: none; background: none; border: 0; padding: 8px; cursor: pointer;
  color: var(--ink);
}
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: currentColor; margin: 5px 0; transition: .2s; }

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; inset: 66px 0 auto; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 8px 20px 20px; display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 13px 0; border-bottom: 1px solid var(--line-soft); font-size: .95rem; }
}

/* ---------- hero ---------- */

.hero {
  background: var(--ink);
  color: #f3f1ea;
  padding: clamp(68px, 13vw, 132px) 0 clamp(60px, 11vw, 112px);
  position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; right: -18%; top: -32%;
  width: 62vw; height: 62vw; max-width: 720px; max-height: 720px;
  background: radial-gradient(circle, rgba(166,124,61,.28), transparent 62%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; }
.hero .eyebrow { color: #c8a769; }
.hero h1 {
  font-family: var(--ff-serif); color: #fff;
  font-size: clamp(1.85rem, 5.6vw, 3.1rem);
  line-height: 1.5; letter-spacing: .02em; font-weight: 600;
  margin: 0 0 22px;
}
.hero p { color: #cfcabd; font-size: clamp(.97rem, 2.4vw, 1.08rem); max-width: 34rem; margin: 0 0 34px; }

.eyebrow {
  display: block; font-size: .7rem; letter-spacing: .26em;
  color: var(--accent); margin: 0 0 18px; text-transform: uppercase;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex; align-items: center; gap: .6em;
  padding: 15px 34px; border-radius: 2px;
  background: var(--accent); color: #fff;
  font-size: .93rem; letter-spacing: .08em; font-weight: 500;
  border: 1px solid var(--accent); transition: .18s;
}
.btn:hover { background: var(--accent-ink); border-color: var(--accent-ink); color: #fff; text-decoration: none; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-light { background: transparent; color: #f3f1ea; border-color: rgba(243,241,234,.4); }
.btn-light:hover { background: #f3f1ea; color: var(--ink); border-color: #f3f1ea; }

/* ---------- page head ---------- */

.page-head {
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  padding: clamp(46px, 9vw, 84px) 0 clamp(36px, 7vw, 62px);
}
.page-head h1 {
  font-family: var(--ff-serif); color: var(--ink);
  font-size: clamp(1.5rem, 4.4vw, 2.2rem); line-height: 1.55; margin: 0;
  font-weight: 600; letter-spacing: .03em;
}
.page-head .lede { margin: 18px 0 0; max-width: var(--measure); color: var(--body); }

/* ---------- sections ---------- */

.section { padding: clamp(54px, 10vw, 100px) 0; }
.section + .section { border-top: 1px solid var(--line-soft); }
.section-dark { background: var(--ink); color: #cfcabd; border-top: 0; }
.section-tint { background: var(--paper-2); }

h2.sec-title {
  font-family: var(--ff-serif); color: var(--ink);
  font-size: clamp(1.28rem, 3.4vw, 1.68rem); line-height: 1.6;
  margin: 0 0 14px; font-weight: 600; letter-spacing: .03em;
}
.section-dark h2.sec-title { color: #fff; }
.sec-lede { max-width: var(--measure); margin: 0 0 40px; }

/* ---------- cards ---------- */

.cards { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card {
  background: #fff; border: 1px solid var(--line);
  padding: 34px 30px 32px; border-radius: 3px;
}
.card h3 {
  font-family: var(--ff-serif); color: var(--ink);
  font-size: 1.08rem; line-height: 1.6; margin: 0 0 6px; font-weight: 600;
}
.card .kicker { font-size: .68rem; letter-spacing: .2em; color: var(--accent); margin: 0 0 14px; }
.card p { font-size: .92rem; margin: 0 0 14px; }
.card p:last-child { margin-bottom: 0; }

.card-list { list-style: none; margin: 0; padding: 0; font-size: .89rem; }
.card-list li { padding: 7px 0 7px 18px; position: relative; border-bottom: 1px solid var(--line-soft); }
.card-list li:last-child { border-bottom: 0; }
.card-list li::before {
  content: ""; position: absolute; left: 0; top: 1.05em;
  width: 6px; height: 1px; background: var(--accent);
}

/* ---------- prose ---------- */

.prose { max-width: var(--measure); }
.prose > * { max-width: 100%; }
.prose h2 {
  font-family: var(--ff-serif); color: var(--ink); font-weight: 600;
  font-size: clamp(1.18rem, 3.2vw, 1.42rem); line-height: 1.65;
  margin: 3.1em 0 .9em; padding-top: .9em; border-top: 1px solid var(--line);
  letter-spacing: .03em;
}
.prose h3 {
  font-family: var(--ff-serif); color: var(--ink-2); font-weight: 600;
  font-size: 1.04rem; line-height: 1.7; margin: 2.3em 0 .7em;
}
.prose > :first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.prose p { margin: 0 0 1.75em; }
.prose ul, .prose ol { margin: 0 0 1.85em; padding-left: 1.25em; }
.prose li { margin-bottom: .6em; padding-left: .2em; }
.prose li::marker { color: var(--accent); }
.prose blockquote {
  margin: 2em 0; padding: 4px 0 4px 22px;
  border-left: 2px solid var(--accent); color: var(--ink-2);
}
.prose blockquote p:last-child { margin-bottom: 0; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 3em 0; }

/* ---------- table ---------- */

.table-wrap { overflow-x: auto; margin: 0 0 1.8em; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td {
  text-align: left; padding: 14px 16px;
  border-bottom: 1px solid var(--line); vertical-align: top;
}
th { color: var(--ink); font-weight: 600; background: var(--paper-2); white-space: nowrap; }
.table-kv th { width: 9.5em; }

/* ---------- blog list ---------- */

.post-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.post-list li { border-bottom: 1px solid var(--line); }
.post-list a {
  display: block; padding: 30px 0; color: inherit;
}
.post-list a:hover { text-decoration: none; }
.post-list a:hover h3 { color: var(--accent-ink); }
.post-list time { font-size: .74rem; letter-spacing: .14em; color: var(--muted); }
.post-list h3 {
  font-family: var(--ff-serif); color: var(--ink); font-weight: 600;
  font-size: clamp(1.02rem, 2.7vw, 1.2rem); line-height: 1.65;
  margin: 8px 0 10px; transition: color .18s;
}
.post-list p { font-size: .89rem; margin: 0; color: var(--muted); }

/* ---------- article ---------- */

.article-head { padding: clamp(44px, 8vw, 76px) 0 0; }
.article-head .meta { font-size: .74rem; letter-spacing: .14em; color: var(--muted); }
.article-head h1 {
  font-family: var(--ff-serif); color: var(--ink); font-weight: 600;
  font-size: clamp(1.42rem, 4.4vw, 2rem); line-height: 1.6;
  margin: 12px 0 0; letter-spacing: .03em; max-width: var(--measure);
}
.article-body { padding: clamp(34px, 6vw, 52px) 0 clamp(54px, 9vw, 86px); }

.article-nav {
  border-top: 1px solid var(--line); margin-top: 3.4em; padding-top: 2em;
  display: flex; justify-content: space-between; gap: 16px; font-size: .88rem;
}

/* ---------- form ---------- */

.form { max-width: 34rem; }
.field { margin-bottom: 26px; }
.field label { display: block; font-size: .85rem; color: var(--ink); margin-bottom: 9px; font-weight: 500; }
.req { color: #a8412f; font-size: .7rem; margin-left: .6em; letter-spacing: .1em; }
.opt { color: var(--muted); font-size: .7rem; margin-left: .6em; letter-spacing: .1em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 14px; font: inherit; font-size: .95rem;
  color: var(--ink); background: #fff;
  border: 1px solid var(--line); border-radius: 2px;
  transition: border-color .15s;
}
.field textarea { min-height: 180px; resize: vertical; line-height: 1.85; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
}
.field .hint { font-size: .78rem; color: var(--muted); margin: 7px 0 0; }
.form-note { font-size: .82rem; color: var(--muted); margin: 0 0 26px; }
.form button { width: 100%; justify-content: center; cursor: pointer; font-family: inherit; }
.form button[disabled] { opacity: .5; cursor: not-allowed; }

.form-msg { display: none; padding: 18px 20px; border-radius: 2px; font-size: .9rem; margin-bottom: 26px; }
.form-msg.show { display: block; }
.form-msg.ok { background: #eef3ec; border: 1px solid #c7d8c0; color: #33502c; }
.form-msg.ng { background: #faeeec; border: 1px solid #e0c3bd; color: #7d3527; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- cta band ---------- */

.cta-band { background: var(--ink); color: #cfcabd; padding: clamp(52px, 9vw, 86px) 0; }
.cta-band h2 {
  font-family: var(--ff-serif); color: #fff; font-weight: 600;
  font-size: clamp(1.2rem, 3.4vw, 1.6rem); line-height: 1.65; margin: 0 0 14px;
}
.cta-band p { max-width: 32rem; margin: 0 0 30px; }

/* ---------- footer ---------- */

.site-footer {
  background: #0f1114; color: #8e94a0;
  padding: 52px 0 38px; font-size: .84rem;
}
.footer-top {
  display: flex; flex-wrap: wrap; gap: 30px 60px;
  justify-content: space-between; align-items: flex-start;
  padding-bottom: 32px; border-bottom: 1px solid #23262c;
}
.footer-brand .brand-mark { color: #e8e5dd; }
.footer-brand p { margin: 12px 0 0; max-width: 24rem; font-size: .82rem; color: #797f8a; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 12px 30px; }
.site-footer a { color: #b6bac2; }
.site-footer a:hover { color: #d9b678; text-decoration: none; }
.copyright { margin: 26px 0 0; font-size: .76rem; color: #656b76; letter-spacing: .06em; }

/* ---------- misc ---------- */

.lede { font-size: 1.02rem; }
.mt0 { margin-top: 0; }
.center { text-align: center; }
.skip { position: absolute; left: -9999px; }
.skip:focus {
  left: 12px; top: 12px; z-index: 100; background: var(--ink); color: #fff;
  padding: 10px 16px; border-radius: 2px;
}