/* アシストページ — スマホ優先のレスポンシブ版
   数値は余白 4/8/12/16/24/32/40/48/64/80/96px、文字は12/14/16/18/20/24/30/36/48px の段だけを使う */

:root {
  --red: #b3000c;
  --red-deep: #8b0000;
  --red-soft: #fbeaea;
  --ink: #1f1f1f;
  --ink-sub: #555555;
  --line: #e5ded7;
  --bg: #ffffff;
  --bg-tint: #fcf9f6;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 16px;
  --sans: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
  --serif: "Noto Serif JP", "Hiragino Mincho ProN", serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3 {
  text-wrap: balance;
  font-weight: 700;
  /* 日本語の見出しを文節で折り返す（未対応ブラウザは通常の折り返し） */
  word-break: auto-phrase;
}

p {
  text-wrap: pretty;
}

:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 100;
  padding: 8px 12px;
  background: var(--ink);
  color: #fff;
  border-radius: 8px;
  transition: transform 0.3s var(--ease);
}
.skip:focus {
  transform: translateY(64px);
}

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}
.wrap.narrow {
  max-width: 800px;
}
.center {
  text-align: center;
}
.small {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ink-sub);
}

/* ボタン ------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(179, 0, 12, 0.24);
  transition:
    transform 0.3s var(--ease),
    background-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}
.btn::after {
  content: "→";
  transition: transform 0.3s var(--ease);
}
.btn:hover {
  background: var(--red-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(179, 0, 12, 0.32);
}
.btn:hover::after {
  transform: translateX(4px);
}
.btn:active {
  transform: scale(0.98);
}
.btn-lg {
  padding: 16px 40px;
  font-size: 1.125rem;
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
  box-shadow: none;
}
.btn-sm::after {
  content: none;
}
.btn-invert {
  background: #fff;
  color: var(--red);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
.btn-invert:hover {
  background: var(--bg-tint);
}

.text-link {
  color: var(--red);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.3s var(--ease);
}
.text-link:hover {
  color: var(--red-deep);
}

/* ヘッダー ---------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 12px 16px 0;
}
.nav-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 8px 8px 8px 16px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 999px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  margin-right: auto;
}
.brand img {
  width: 40px;
  height: 40px;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}
.brand-name {
  font-size: 1.125rem;
  font-weight: 700;
}
.brand-sub {
  font-size: 0.75rem;
  color: var(--ink-sub);
}
.nav-links {
  display: none;
  gap: 24px;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.3s var(--ease);
}
.nav-links a:hover,
.nav-links a[aria-current="true"] {
  color: var(--red);
}
.nav-cta {
  display: none;
}

.menu-toggle {
  position: relative;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 999px;
  background: var(--red-soft);
  cursor: pointer;
}
.menu-toggle span {
  position: absolute;
  left: 14px;
  width: 20px;
  height: 2px;
  background: var(--red);
  border-radius: 2px;
  transition: transform 0.5s var(--ease);
}
.menu-toggle span:first-child {
  transform: translateY(-4px);
}
.menu-toggle span:last-child {
  transform: translateY(4px);
}
.menu-toggle[aria-expanded="true"] span:first-child {
  transform: rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:last-child {
  transform: rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: -1;
  padding: 96px 24px 32px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-menu a:not(.btn) {
  padding: 12px 0;
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.mobile-menu .btn {
  margin-top: 24px;
}
.mobile-menu nav > * {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.5s var(--ease),
    transform 0.5s var(--ease);
}
.mobile-menu.open nav > * {
  opacity: 1;
  transform: none;
}

/* ファーストビュー ------------------------------------------------------- */
.hero {
  padding: 40px 0 48px;
  background: var(--bg-tint);
}
.hero-grid {
  display: grid;
  gap: 32px;
}
.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
}
.hero h1 {
  font-family: var(--serif);
  font-size: 1.875rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
}
.hero h1 em {
  font-style: normal;
  color: var(--red);
}
.lead {
  margin-top: 16px;
  color: var(--ink-sub);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: 24px;
}
.assurance {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--ink-sub);
}
.assurance li::before {
  content: "✓ ";
  color: var(--red);
  font-weight: 700;
}
.assurance-invert,
.assurance-invert li::before {
  color: #fff;
  justify-content: center;
}
.hero-visual {
  position: relative;
}
.hero-visual > img:first-child {
  border-radius: var(--radius);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.12);
}
.hero-island {
  position: absolute;
  right: -8px;
  bottom: -32px;
  width: 96px;
  opacity: 0.9;
  pointer-events: none;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 40px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.proof-strip > div {
  padding: 16px 8px;
  text-align: center;
}
.proof-strip > div + div {
  box-shadow: inset 1px 0 0 var(--line);
}
.proof-strip dt {
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--ink-sub);
}
.proof-strip dd {
  font-size: 0.875rem;
  font-weight: 700;
}
.proof-strip strong {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--red);
  margin-right: 2px;
}

/* セクション共通 --------------------------------------------------------- */
.section {
  padding: 64px 0;
}
.section-tint {
  background: var(--bg-tint);
}
.sec-head {
  max-width: 720px;
  margin: 0 auto 32px;
  text-align: center;
}
.sec-label {
  color: var(--red);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.sec-head h2,
.final-cta h2 {
  margin-top: 8px;
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1.5;
}
.sec-lead {
  margin-top: 12px;
  color: var(--ink-sub);
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition:
    transform 0.5s var(--ease),
    box-shadow 0.5s var(--ease);
}

/* お悩み */
.worries {
  display: grid;
  gap: 12px;
}
.worries .card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px;
}
.worries .num {
  flex: none;
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--red);
}
.worries h3 {
  font-size: 1.125rem;
  line-height: 1.5;
}
.worries p {
  margin-top: 4px;
  font-size: 0.875rem;
  color: var(--ink-sub);
}

/* 一番伝えたい一文 */
.tagline {
  padding: 80px 0;
}
.tagline-text {
  max-width: 720px;
  margin: 0 auto;
  font-family: var(--serif);
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
}
.tagline-text span {
  display: inline-block;
  color: rgba(31, 31, 31, 0.28);
  transition: color 0.5s var(--ease);
}
.tagline-text span.lit {
  color: var(--ink);
}
.tagline-text span.lit:nth-child(3) {
  color: var(--red);
}

/* できること */
.services {
  display: grid;
  gap: 16px;
}
.services .card {
  padding: 24px;
}
.services img {
  width: 48px;
  height: 48px;
}
.services h3 {
  margin-top: 12px;
  font-size: 1.25rem;
}
.services p {
  margin-top: 8px;
  font-size: 0.875rem;
  color: var(--ink-sub);
}

/* 実績 */
.work-feature {
  display: grid;
  overflow: hidden;
  margin-bottom: 24px;
}
.work-feature .work-body p:not(.badge):not(.tags) {
  margin-top: 8px;
  font-size: 0.875rem;
  color: var(--ink-sub);
}
.work-feature .text-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.875rem;
}
.badge {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 12px;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
}
.works {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}
.work {
  overflow: hidden;
}
.work img,
.work-feature img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  object-position: top;
  border-bottom: 1px solid var(--line);
}
.work-body {
  padding: 12px;
}
.work-feature .work-body {
  padding: 24px;
}
.work h3 {
  font-size: 0.875rem;
  line-height: 1.5;
}
.work-feature h3 {
  font-size: 1.25rem;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 8px;
}
.tags span {
  padding: 0 8px;
  border-radius: 4px;
  background: var(--red-soft);
  color: var(--red-deep);
  font-size: 0.75rem;
  line-height: 1.6;
}

/* お客様の声 */
.voices {
  display: grid;
  gap: 16px;
}
.voice {
  padding: 24px;
}
.voice blockquote {
  font-size: 1rem;
}
.voice figcaption {
  margin-top: 12px;
  font-size: 0.875rem;
  color: var(--ink-sub);
}

/* ご相談の流れ */
.steps {
  display: grid;
  gap: 24px;
  counter-reset: step;
}
.steps li {
  position: relative;
  padding: 24px;
  background: var(--bg-tint);
  border-radius: var(--radius);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-weight: 700;
}
.steps h3 {
  margin-top: 12px;
  font-size: 1.25rem;
}
.steps p {
  margin-top: 4px;
  font-size: 0.875rem;
  color: var(--ink-sub);
}

/* 料金 */
.plan {
  padding: 24px;
}
.plan-featured {
  border: 2px solid var(--red);
}
.plan-label,
.plan-group {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 8px;
  background: #fbe6b8;
  font-size: 0.875rem;
  font-weight: 700;
}
.plan-group {
  margin: 40px 0 16px;
}
.plan-grid {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}
.plan h3 {
  font-size: 1.25rem;
}
.plan h3 strong {
  font-family: var(--serif);
  font-size: 1.875rem;
  color: var(--red);
  margin: 0 2px;
}
.plan p {
  font-size: 0.875rem;
  color: var(--ink-sub);
}
.plan > p:not(.price):not(.plan-label) {
  margin-top: 8px;
}
.price {
  margin-top: 12px;
  font-weight: 700;
  color: var(--red) !important;
  font-size: 1rem !important;
}
.price-unit {
  display: inline-block;
  margin-right: 8px;
  padding: 0 8px;
  border-radius: 4px;
  background: var(--red);
  color: #fff;
  font-size: 0.875rem;
  vertical-align: middle;
}
.price-num {
  font-family: var(--serif);
  font-size: 2.25rem;
  line-height: 1.2;
  margin-right: 2px;
}
.price-tax {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-sub);
}
.notes {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.875rem;
  color: var(--ink-sub);
}
.notes li {
  padding-left: 16px;
  text-indent: -16px;
}
.notes li::before {
  content: "・";
}
.plans {
  display: grid;
  gap: 16px;
}
#price .center.small {
  margin-top: 24px;
}

/* 選ばれる理由・運営者 */
.reasons {
  display: grid;
  gap: 32px;
  text-align: center;
}
.reasons img {
  width: 56px;
  height: 56px;
  margin: 0 auto;
}
.reasons h3 {
  margin-top: 12px;
  font-size: 1.25rem;
}
.reasons p {
  margin-top: 4px;
  font-size: 0.875rem;
  color: var(--ink-sub);
}
.owner {
  display: flex;
  gap: 24px;
  align-items: center;
  margin-top: 48px;
  padding: 24px;
}
.owner-photo {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  border-radius: 999px;
  background: var(--bg-tint);
  color: var(--ink-sub);
  font-size: 0.75rem;
}
.owner-role {
  font-size: 0.75rem;
  color: var(--red);
  font-weight: 700;
}
.owner-name {
  font-size: 1.25rem;
  font-weight: 700;
}
.owner p:last-child {
  font-size: 0.875rem;
  color: var(--ink-sub);
}

/* よくある質問 */
.faq {
  display: grid;
  gap: 12px;
}
.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.faq summary {
  position: relative;
  padding: 16px 48px 16px 16px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::before {
  content: "Q.";
  margin-right: 8px;
  color: var(--red);
  font-family: var(--serif);
}
.faq summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 12px;
  font-size: 1.5rem;
  color: var(--red);
  transition: transform 0.5s var(--ease);
}
.faq details[open] summary::after {
  transform: rotate(45deg);
}
.faq details p {
  padding: 0 16px 16px;
  font-size: 0.875rem;
  color: var(--ink-sub);
}

/* 最後の相談ボタン */
.final-cta {
  padding: 64px 0;
  background: var(--red);
  color: #fff;
}
.final-cta h2 {
  margin: 0 0 24px;
}

/* フッター */
.footer {
  padding: 40px 0 24px;
  background: var(--ink);
  color: #fff;
}
.footer .small {
  color: rgba(255, 255, 255, 0.7);
}
.footer-grid {
  display: grid;
  gap: 24px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.125rem;
  font-weight: 700;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 0.875rem;
}
.footer-links a {
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 0.3s var(--ease);
}
.footer-links a:hover {
  opacity: 1;
}
.copyright {
  margin-top: 32px;
  font-size: 0.75rem;
  text-align: center;
  opacity: 0.6;
}

/* 差し替え待ちの枠（開発中だけ目印を出す。本番では data-todo を全部消してから出す） */
.todo {
  outline: 2px dashed #e0a100;
  outline-offset: 2px;
  background-color: #fff8e1;
}

/* スクロールで現れる動き ------------------------------------------------- */
.js .reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
}
.js .reveal.in {
  opacity: 1;
  transform: none;
}

@media (hover: hover) {
  .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
  }
  .faq details.card:hover,
  .plan-featured:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
  .js .reveal {
    transform: none;
  }
  .mobile-menu nav > * {
    transform: none;
  }
}

/* タブレット以上 ---------------------------------------------------------- */
@media (min-width: 768px) {
  .hero {
    padding: 64px 0;
  }
  .hero-grid {
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
    gap: 48px;
  }
  .hero h1 {
    font-size: 2.25rem;
  }
  .hero-island {
    width: 128px;
  }
  .proof-strip > div {
    padding: 24px 16px;
  }
  .proof-strip dt {
    font-size: 0.875rem;
  }
  .proof-strip strong {
    font-size: 1.875rem;
  }
  .section {
    padding: 96px 0;
  }
  .sec-head {
    margin-bottom: 48px;
  }
  .sec-head h2,
  .final-cta h2 {
    font-size: 1.875rem;
  }
  .worries {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .worries .card {
    padding: 24px;
  }
  .tagline {
    padding: 96px 0;
  }
  .tagline-text {
    font-size: 2.25rem;
  }
  .services {
    grid-template-columns: repeat(2, 1fr);
  }
  .work-feature {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
  }
  .work-feature img {
    height: 100%;
    border-bottom: 0;
    box-shadow: inset -1px 0 0 var(--line);
  }
  .works {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .work-body {
    padding: 16px;
  }
  .work h3 {
    font-size: 1rem;
  }
  .voices {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
  .plan {
    padding: 32px;
  }
  .plan-grid {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
  }
  .plans {
    grid-template-columns: repeat(2, 1fr);
  }
  .reasons {
    grid-template-columns: repeat(3, 1fr);
  }
  .final-cta {
    padding: 80px 0;
  }
  .footer-grid {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

/* PC：ヘッダーにメニューを並べる */
@media (min-width: 1024px) {
  .nav-links,
  .nav-cta {
    display: flex;
  }
  .menu-toggle,
  .mobile-menu {
    display: none !important;
  }
  .hero h1 {
    font-size: 3rem;
    line-height: 1.3;
  }
  .services {
    grid-template-columns: repeat(4, 1fr);
  }
  .tagline-text {
    font-size: 3rem;
    max-width: 880px;
  }
}

/* プライバシーポリシー・404 ---------------------------------------------- */
.legal h1 {
  font-family: var(--serif);
  font-size: 1.875rem;
  margin-bottom: 24px;
}
.legal h2 {
  margin: 40px 0 8px;
  font-size: 1.25rem;
}
.legal ul {
  list-style: disc;
  padding-left: 24px;
}
.legal .small {
  margin-top: 40px;
}
.notfound {
  min-height: 100vh;
  display: flex;
  align-items: center;
}
.notfound img {
  margin: 0 auto 16px;
}
.notfound h1 {
  margin: 8px 0 12px;
  font-family: var(--serif);
  font-size: 1.5rem;
}
.notfound .btn {
  margin-top: 32px;
}