@charset "UTF-8";
/* =========================================================
   合同会社Dodo — Corporate Site
   Design System v1.0
   外部フォント・外部CSSは一切読み込まない（速度とプライバシーのため）
   ========================================================= */

/* ---------- 1. Design Tokens (v2 / 紙 × 黒 × 朱 × 等幅) ---------- */
:root {
  /* Color — 紙色を地に、黒で構造、朱を記号として少量 */
  --paper:      #faf9f5;   /* 紙色。白ではなく、わずかに温かい地 */
  --paper-2:    #f2f0ea;   /* 第2面 */
  --paper-3:    #ece9e0;   /* 第3面・タグ地 */
  --ink:        #141413;   /* 見出し・CTA。紙上 17.50:1 */
  --ink-2:      #33322e;   /* 濃い本文。紙上 12.18:1 */
  --muted:      #65645c;   /* 標準本文。紙5.65 / 第2面5.22 / 第3面4.90（全面AA） */
  --muted-2:    #68675f;   /* 注記・ラベル。紙5.40 / 第2面4.99 / 第3面4.68（全面AA） */
  --line:       #e2ded2;
  --line-2:     #d6d1c2;
  --accent:     #b4472c;   /* 朱。紙上 5.14:1 / 白抜き 5.41:1（ともにAA） */
  --accent-str: #9c3a22;   /* 小さい文字・本文中リンク用。紙上 6.55:1 */
  --accent-soft:#f7ece7;

  /* Type — 和文ゴシックを地、等幅を記号レイヤーに */
  --font-jp: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP",
             "Yu Gothic Medium", "Yu Gothic", Meiryo, sans-serif;
  --font-en: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
             "Helvetica Neue", Arial, sans-serif;
  --font:    var(--font-en), var(--font-jp);
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
               "Roboto Mono", "Noto Sans Mono", monospace;

  /* Spacing — 4px base */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px; --s-10: 128px;
  --section-y: clamp(72px, 11vw, 152px);
  --gutter:    clamp(20px, 5vw, 40px);
  --maxw:      1120px;
  --maxw-narrow: 760px;
  --maxw-read: 660px;      /* 和文の行長を38字前後に抑えるための読み幅 */

  /* Radius / Shadow / Motion */
  --r-sm: 6px; --r-md: 10px; --r-lg: 16px;
  --shadow-1: 0 1px 2px rgba(20,20,19,.04), 0 8px 24px rgba(20,20,19,.05);
  --shadow-2: 0 2px 4px rgba(20,20,19,.05), 0 18px 48px rgba(20,20,19,.09);
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- 1b. 等幅レイヤー（記号・数値・ラベル） ---------- */
.mono, .eyebrow, .card__num, .footer__ttl, .copyright,
.hero__panel h2, .step::before, .kbd {
  font-family: var(--font-mono);
  font-feature-settings: normal;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-2);
  background: var(--paper);
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, figure, dl, dd { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

/* ---------- 3. Typography ---------- */
.h-display {
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.24;
  letter-spacing: -.028em;
  font-weight: 700;
  color: var(--ink);
}
.h1 { font-size: clamp(28px, 4.6vw, 44px); line-height: 1.32; letter-spacing: -.024em; font-weight: 700; color: var(--ink); }
.h2 { font-size: clamp(24px, 3.4vw, 36px); line-height: 1.36; letter-spacing: -.022em; font-weight: 700; color: var(--ink); }
.h3 { font-size: clamp(17px, 1.9vw, 20px); line-height: 1.5;  letter-spacing: -.012em; font-weight: 700; color: var(--ink); }
.lead { font-size: clamp(15px, 1.6vw, 17px); line-height: 2.0; color: var(--muted); }
.body { font-size: 15.5px; line-height: 2.0; color: var(--muted); }
.small { font-size: 13px; line-height: 1.85; color: var(--muted-2); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: 11.5px; font-weight: 500; letter-spacing: .06em;
  color: var(--accent-str);
}
.eyebrow::before {
  content: ""; width: 18px; height: 2px; background: var(--accent); flex: none;
}
.eyebrow--en { text-transform: uppercase; letter-spacing: .14em; font-size: 11px; }

/* ---------- 4. Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: var(--maxw-narrow); }
.section { padding-block: var(--section-y); }
.section--tint { background: var(--paper-2); }
.section--rule { border-top: 1px solid var(--line); }
.section--ink { background: var(--ink); color: #cfd4dd; }
.section--ink .h2, .section--ink .h3, .section--ink .h1 { color: #fff; }
.section--ink .eyebrow { color: #e8a591; }
.section--ink .eyebrow::before { background: #e8a591; }
.stack > * + * { margin-top: var(--s-4); }
.section-head { max-width: var(--maxw-read); }
.section-head .h2 { margin-top: var(--s-4); }
.section-head .lead { margin-top: var(--s-5); }

.grid { display: grid; gap: clamp(20px, 3vw, 32px); }
@media (min-width: 720px)  { .grid--2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px)  { .grid--3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 720px)  { .grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px)  { .grid--3 { grid-template-columns: repeat(3, 1fr); } }

/* ---------- 5. Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,249,245,.84);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.header.is-scrolled { border-bottom-color: var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: baseline; gap: 9px; }
.brand__mark {
  font-family: var(--font-en); font-weight: 700; font-size: 21px;
  letter-spacing: -.03em; color: var(--ink);
}
.brand__sub { font-size: 10.5px; letter-spacing: .1em; color: var(--muted-2); font-weight: 500; }

.nav { display: none; }
@media (min-width: 900px) {
  .nav { display: flex; align-items: center; gap: 4px; }
  .nav a {
    padding: 8px 14px; font-size: 13.5px; font-weight: 500; color: var(--ink-2);
    border-radius: var(--r-sm); transition: background .2s var(--ease), color .2s var(--ease);
  }
  .nav a:hover { background: var(--paper-2); color: var(--ink); }
  .nav a[aria-current="page"] { color: var(--accent); }
  .nav a.btn--primary { color: #fff; }
  .nav a.btn--primary:hover { background: #2a2926; color: #fff; }
  .nav .btn { margin-left: 10px; }
}

.menu-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; margin-right: -9px;
  background: none; border: 0; cursor: pointer; border-radius: var(--r-sm);
}
@media (min-width: 900px) { .menu-toggle { display: none; } }
.menu-toggle span { position: relative; display: block; width: 19px; height: 1.5px; background: var(--ink); transition: transform .3s var(--ease), opacity .2s; }
.menu-toggle span::before, .menu-toggle span::after {
  content: ""; position: absolute; left: 0; width: 19px; height: 1.5px; background: var(--ink);
  transition: transform .3s var(--ease);
}
.menu-toggle span::before { top: -6px; } .menu-toggle span::after  { top: 6px; }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

.drawer {
  position: fixed; inset: 68px 0 0; background: var(--paper); z-index: 49;
  padding: var(--s-6) var(--gutter) var(--s-8);
  transform: translateY(-8px); opacity: 0; visibility: hidden;
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  overflow-y: auto;
}
.drawer.is-open { opacity: 1; transform: none; visibility: visible; }
@media (min-width: 900px) { .drawer { display: none; } }
.drawer a { display: block; padding: 16px 2px; font-size: 17px; font-weight: 600; color: var(--ink); border-bottom: 1px solid var(--line); }
.drawer .btn { margin-top: var(--s-6); width: 100%; }
.drawer a.btn--primary { color: #fff; border-bottom: 0; }
.drawer a.btn--primary:hover { background: #2a2926; color: #fff; }

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 24px; border-radius: 999px; border: 1px solid transparent;
  font-size: 14px; font-weight: 600; letter-spacing: .01em; cursor: pointer;
  transition: transform .18s var(--ease), background .2s var(--ease),
              color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: #2a2926; box-shadow: var(--shadow-1); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--ghost:hover { border-color: var(--ink); background: var(--paper-2); }
.btn--light { background: var(--paper); color: var(--ink); }
.btn--light:hover { box-shadow: var(--shadow-2); }
.btn--lg { padding: 16px 30px; font-size: 15px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .45; cursor: not-allowed; transform: none; }
.btn__arrow { transition: transform .22s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px;
  font-size: 14px; font-weight: 600; color: var(--accent);
}
.link-arrow { color: var(--accent-str); }
.link-arrow svg { transition: transform .22s var(--ease); }
.link-arrow:hover svg { transform: translateX(3px); }

/* ---------- 7. Hero ---------- */
.hero .h-display { font-size: clamp(30px, 5.1vw, 54px); }
.hero { position: relative; padding-block: clamp(44px, 7vw, 84px) clamp(48px, 8vw, 92px); overflow: hidden; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(820px 460px at 8% -10%, rgba(180,71,44,.055), transparent 64%),
    radial-gradient(520px 320px at 98% 4%, rgba(20,20,19,.035), transparent 62%);
}
.hero__grid { display: grid; gap: clamp(36px, 6vw, 64px); align-items: start; }
@media (min-width: 940px) { .hero__grid { grid-template-columns: 1.14fr .86fr; } }
.hero .h-display { margin-top: var(--s-5); }
.hero .lead { margin-top: var(--s-5); max-width: 42em; }
.hero__define {
  margin-top: var(--s-5); padding-top: var(--s-5);
  border-top: 1px solid var(--line-2);
  font-size: clamp(15px, 1.75vw, 18px); line-height: 1.85;
  font-weight: 600; color: var(--ink); letter-spacing: -.01em;
  max-width: 30em;
}
.hero__define b { color: var(--accent-str); font-weight: 600; }
.br-pc { display: none; }
@media (min-width: 940px) { .br-pc { display: inline; } }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: var(--s-7); }
.hero__note { margin-top: var(--s-5); }

.hero__panel {
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--paper), var(--paper-2));
  padding: clamp(22px, 3.4vw, 32px); box-shadow: var(--shadow-1);
}
.hero__panel h2 { font-size: 12px; letter-spacing: .13em; text-transform: uppercase;
  font-family: var(--font-en); color: var(--muted-2); font-weight: 600; }
.pill-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--s-4); }
.pill {
  padding: 7px 13px; border: 1px solid var(--line-2); border-radius: 999px;
  font-size: 12.5px; font-weight: 500; color: var(--ink-2); background: var(--paper);
}
.hero__panel dl { margin-top: var(--s-6); display: grid; gap: 14px; }
.hero__panel div { display: flex; justify-content: space-between; align-items: baseline;
  gap: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.hero__panel div:last-child { border-bottom: 0; padding-bottom: 0; }
.hero__panel dt { font-size: 12.5px; color: var(--muted-2); }
.hero__panel dd { font-size: 13.5px; font-weight: 600; color: var(--ink); text-align: right; }

.usebox { margin-top: var(--s-5); display: grid; gap: 0; }
.usebox li { display: grid; gap: 3px; padding-block: 13px; border-top: 1px solid var(--line); }
.usebox li:first-child { border-top: 0; padding-top: 0; }
.usebox b {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: .04em; color: var(--accent-str);
}
.usebox span { font-size: 13.5px; line-height: 1.7; color: var(--ink-2); }
.usebox + .note-human {
  margin-top: var(--s-5); padding-top: var(--s-4); border-top: 1px solid var(--line-2);
  font-size: 12px; line-height: 1.75; color: var(--muted-2);
}

/* 対応媒体バー — セクションの反復を断ち切る細い帯 */
.mediabar { border-block: 1px solid var(--line); background: var(--paper-2); }
.mediabar__inner { padding-block: var(--s-5); display: grid; gap: var(--s-4); align-items: center; }
@media (min-width: 760px) { .mediabar__inner { grid-template-columns: 128px 1fr; gap: var(--s-6); } }
.mediabar__label { font-size: 11px; letter-spacing: .08em; color: var(--muted-2); }
.mediabar + .section { padding-top: clamp(56px, 8vw, 100px); }

/* ---------- 8. Cards ---------- */
.card {
  position: relative; padding: clamp(24px, 3.2vw, 34px);
  border: 1px solid var(--line); border-radius: var(--r-lg);
  transition: border-color .25s var(--ease), box-shadow .3s var(--ease), transform .3s var(--ease);
}
.card:hover { border-color: var(--line-2); box-shadow: var(--shadow-1); transform: translateY(-2px); }
.card__num {
  font-size: 12px; font-weight: 500; letter-spacing: .08em; color: var(--accent);
}
.card .h3 { margin-top: var(--s-4); }
.card .body { margin-top: var(--s-3); font-size: 14.5px; }
.card__list { margin-top: var(--s-5); display: grid; gap: 9px; }
.card__list li { position: relative; padding-left: 17px; font-size: 13.5px; color: var(--muted); }
.card__list li::before {
  content: ""; position: absolute; left: 0; top: .72em;
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent); opacity: .55;
}

/* 強み — 罫線区切りのミニマルリスト */
.feature { padding-block: var(--s-6); border-top: 1px solid var(--line); }
.feature:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 820px) {
  .feature { display: grid; grid-template-columns: 200px 1fr; gap: clamp(24px, 4vw, 56px); align-items: start; }
}
.feature .h3 { line-height: 1.45; }
.feature .body { font-size: 14.5px; margin-top: 0; }
@media (max-width: 819px) { .feature .body { margin-top: var(--s-3); } }

/* 支援の流れ */
.steps { counter-reset: step; display: grid; gap: 0; }
.step { position: relative; padding: var(--s-6) 0 var(--s-6) 56px; border-top: 1px solid var(--line); }
.step:last-child { border-bottom: 1px solid var(--line); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: var(--s-6);
  font-size: 12px; font-weight: 500;
  letter-spacing: .06em; color: var(--accent);
  width: 34px; height: 22px; display: flex; align-items: center;
}
.step .h3 { font-size: 17px; }
.step .body { margin-top: 8px; font-size: 14px; }

/* ---------- 9. CTA band ---------- */
.cta { background: var(--ink); color: #b8b5ad; }
.cta__inner { padding-block: clamp(56px, 9vw, 104px); text-align: center; }
.cta .h2 { color: #fff; }
.cta .lead { color: #a9a69d; margin-top: var(--s-5); margin-inline: auto; max-width: 40em; }
.cta__btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: var(--s-7); }

/* ---------- 10. Tables (会社概要) ---------- */
.spec { border-top: 1px solid var(--line); }
.spec__row { padding-block: var(--s-5); border-bottom: 1px solid var(--line); }
@media (min-width: 720px) {
  .spec__row { display: grid; grid-template-columns: 196px 1fr; gap: var(--s-6); align-items: baseline; }
}
.spec__key { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.spec__val { font-size: 14.5px; color: var(--muted); line-height: 1.95; }
@media (max-width: 719px) { .spec__val { margin-top: 6px; } }
.spec__val ol { list-style: decimal; padding-left: 1.3em; }
.spec__val ol li { margin-top: 4px; }

.badge-todo {
  display: inline-block; padding: 3px 9px; border-radius: var(--r-sm);
  background: #fff4e5; border: 1px solid #f0c98a; color: #8a5a12;
  font-size: 12px; font-weight: 600;
}

/* ---------- 11. Form ---------- */
.form { display: grid; gap: var(--s-5); }
.field { display: grid; gap: 8px; }
.field__label { display: flex; align-items: center; gap: 9px; font-size: 13.5px; font-weight: 600; color: var(--ink); }
.req { font-size: 10.5px; font-weight: 600; letter-spacing: .04em; padding: 2px 7px; border-radius: 4px; background: var(--accent-soft); color: var(--accent-str); }
.opt { font-size: 10.5px; font-weight: 600; letter-spacing: .04em; padding: 2px 7px; border-radius: 4px; background: var(--paper-3); color: var(--muted); }
.input, .select, .textarea {
  width: 100%; padding: 13px 15px; background: var(--paper);
  border: 1px solid var(--line-2); border-radius: var(--r-md);
  font-size: 15px; line-height: 1.7; color: var(--ink);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
  -webkit-appearance: none; appearance: none;
}
.input::placeholder, .textarea::placeholder { color: #aeb5c1; }
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(180,71,44,.16);
}
.textarea { min-height: 168px; resize: vertical; }
.select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' stroke='%23656d7d' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 15px center; padding-right: 42px;
}
/* iOS のフォーカス時オートズームを防ぐため、モバイルでは入力欄を16px以上にする */
@media (max-width: 899px) {
  .input, .select, .textarea { font-size: 16px; }
}
.checkbox { display: flex; align-items: flex-start; gap: 11px; font-size: 14px; color: var(--ink-2); cursor: pointer; }
.checkbox input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--accent); flex: none; }
.checkbox a { color: var(--accent-str); text-decoration: underline; text-underline-offset: 2px; }
.field__error { display: none; font-size: 12.5px; color: #b42318; font-weight: 500; }
.field.is-invalid .input, .field.is-invalid .select, .field.is-invalid .textarea { border-color: #d92d20; }
.field.is-invalid .field__error { display: block; }
.form__note {
  padding: var(--s-5); border: 1px solid var(--line); border-radius: var(--r-md);
  background: var(--paper-2); font-size: 13.5px; line-height: 1.9; color: var(--muted);
}
.form__status { display: none; padding: 14px 16px; border-radius: var(--r-md); font-size: 14px; font-weight: 500; }
.form__status.is-error { display: block; background: #fef3f2; border: 1px solid #fda29b; color: #b42318; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- 12. Page header / Footer / Misc ---------- */
.page-head { padding-block: clamp(52px, 8vw, 96px) clamp(32px, 5vw, 56px); border-bottom: 1px solid var(--line); }
.page-head .h1 { margin-top: var(--s-4); }
.page-head .lead { margin-top: var(--s-5); max-width: 46em; }

.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12.5px; color: var(--muted-2); }
.breadcrumb a { display: inline-flex; align-items: center; min-height: 32px; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: var(--line-2); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; }

.footer { border-top: 1px solid var(--line); padding-block: var(--s-8) var(--s-6); }
.footer__top { display: grid; gap: var(--s-7); }
@media (min-width: 820px) { .footer__top { grid-template-columns: 1.3fr 1fr 1fr; } }
.footer__ttl { font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  font-family: var(--font-en); color: var(--muted-2); }
.footer__links { margin-top: var(--s-4); display: grid; gap: 11px; }
.footer__links a { display: inline-flex; align-items: center; min-height: 40px;
  padding-block: 4px; font-size: 14px; color: var(--muted); }
.footer__links a:hover { color: var(--ink); }
.footer__bottom {
  margin-top: var(--s-8); padding-top: var(--s-5); border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center;
}
.copyright { font-size: 12.5px; color: var(--muted-2); font-family: var(--font-en); }

.prose { max-width: var(--maxw-narrow); }
.prose h2 { font-size: clamp(19px, 2.2vw, 23px); font-weight: 700; color: var(--ink);
  line-height: 1.5; letter-spacing: -.015em; margin-top: var(--s-8); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 16px; font-weight: 700; color: var(--ink); margin-top: var(--s-6); }
.prose p  { font-size: 15px; line-height: 2.05; color: var(--muted); margin-top: var(--s-4); }
.prose ul { margin-top: var(--s-4); display: grid; gap: 9px; }
.prose ul li { position: relative; padding-left: 18px; font-size: 15px; line-height: 1.95; color: var(--muted); }
.prose ul li::before { content: ""; position: absolute; left: 2px; top: .82em; width: 5px; height: 5px;
  border-radius: 50%; background: var(--line-2); }
.prose a { color: var(--accent-str); text-decoration: underline; text-underline-offset: 2px; }
.prose .note { padding: var(--s-5); background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--r-md); font-size: 13.5px; line-height: 1.9; color: var(--muted); margin-top: var(--s-5); }

.center { text-align: center; }
.mt-6 { margin-top: var(--s-6); } .mt-7 { margin-top: var(--s-7); } .mt-8 { margin-top: var(--s-8); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  padding: 11px 18px; background: var(--ink); color: #fff; border-radius: var(--r-sm);
  font-size: 14px; font-weight: 600; transition: top .2s var(--ease);
}
.skip-link:focus { top: 14px; }

/* 404 */
.error-page { display: grid; place-items: center; text-align: center; padding-block: clamp(88px, 16vw, 180px); }
.error-page__code { font-family: var(--font-mono); font-size: clamp(56px, 12vw, 112px);
  font-weight: 500; letter-spacing: -.02em; line-height: 1; color: var(--line-2); }

/* 送信完了 */
.done { display: grid; place-items: center; text-align: center; padding-block: clamp(80px, 14vw, 160px); }
.done__icon { width: 62px; height: 62px; border-radius: 50%; background: var(--accent-soft);
  display: grid; place-items: center; margin-inline: auto; }

/* ---------- 13. Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity .6s var(--ease), transform .6s var(--ease); }
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.is-in { opacity: 1; transform: none; transition: none; }
  .btn:hover, .card:hover { transform: none; }
}

/* ---------- 14. Print ---------- */
@media print {
  .header, .drawer, .cta, .footer__top, .menu-toggle { display: none !important; }
  body { color: #000; }
}