/* MealCast site — アプリと同じ色 (紙色・緑・にんじん色) と丸ゴシック1書体 */
:root {
  --paper: #f6f4ee;
  --sheet: #fffdf8;
  --ink: #24302a;
  --ink-soft: #55605a;
  --ink-faint: #8a918c;
  --green: #3f8f5b;
  --green-deep: #2f7448;
  --leaf: #e7ecdf;
  --carrot: #c2621a;
  --rule: #e4e0d4;
  /* 日本語は Noto Sans JP、数字 (分量・料金) は Lato、英字のロゴと番号は Montserrat */
  --font: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --font-num: "Lato", var(--font);
  --font-en: "Montserrat", var(--font);
  --measure: 34rem;
  --page: 68rem;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.85;
  font-feature-settings: "palt" 0;
}

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

a {
  color: var(--green-deep);
  text-underline-offset: 0.2em;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap {
  width: min(100% - 2.5rem, var(--page));
  margin-inline: auto;
}

/* ヘッダー */
.site-header {
  padding-block: 1.25rem;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--green);
  font-weight: 700;
  font-size: 1.35rem;
  text-decoration: none;
  letter-spacing: 0.01em;
  font-family: var(--font-en);
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--green-deep);
}

/* ファーストビュー */
.hero {
  padding-block: 2.5rem 4.5rem;
}

.hero .wrap {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero .wrap {
    grid-template-columns: 1fr 1.05fr;
    gap: 4rem;
  }
}

.hero h1 {
  margin: 0;
  font-weight: 700;
  font-size: clamp(2.3rem, 7.4vw, 3.9rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
}

.hero h1 span {
  display: block;
}

.hero .lead {
  margin: 1.4rem 0 0;
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.get {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.store-button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.5rem;
  border-radius: 14px;
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
}

.store-button[aria-disabled="true"] {
  background: var(--ink-soft);
  cursor: default;
}

.store-button svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.get p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* 献立 → 買い物リスト の実演 (このページの見どころ) */
.demo {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

@media (min-width: 560px) {
  .demo {
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 0.9rem;
  }
}

.slip {
  background: var(--sheet);
  border-radius: 14px;
  padding: 1.1rem 1.15rem 1.2rem;
  box-shadow: 0 1px 0 var(--rule), 0 10px 24px -14px rgba(36, 48, 42, 0.35);
}

.slip h2 {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.slip h2 small {
  display: block;
  color: var(--ink-faint);
  font-size: 0.78rem;
  font-weight: 500;
}

.plan {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.86rem;
  line-height: 1.5;
}

.plan li {
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: 0.4rem;
  padding: 0.45rem 0;
  border-top: 1px dashed var(--rule);
}

.plan .day {
  color: var(--ink-faint);
}

.plan .note {
  display: block;
  color: var(--green);
  font-size: 0.76rem;
}

.calendar-slip {
  border-top: 8px solid var(--green);
}

.list-slip {
  border-top: 8px solid var(--carrot);
}

.to-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
}

.to-list svg {
  width: 30px;
  height: 30px;
  transform: rotate(90deg);
}

@media (min-width: 560px) {
  .to-list svg {
    transform: none;
  }
}

.buy {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
  line-height: 1.45;
}

.buy li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.42rem 0;
  border-top: 1px dashed var(--rule);
}

.buy .qty {
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  font-family: var(--font-num);
}

.buy-check {
  margin: 0.7rem 0 0;
  font-size: 0.78rem;
  color: var(--carrot);
}

.demo-caption {
  grid-column: 1 / -1;
  margin: 0.4rem 0 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.7;
}

/* 読み込み時に一度だけ、リストの行が順に書き込まれる */
@media (prefers-reduced-motion: no-preference) {
  .buy li,
  .buy-check {
    opacity: 0;
    transform: translateY(4px);
    animation: write-in 0.45s ease-out forwards;
    animation-delay: calc(0.9s + var(--i, 0) * 0.28s);
  }

  .buy-check {
    --i: 6;
  }
}

@keyframes write-in {
  to {
    opacity: 1;
    transform: none;
  }
}

/* セクション共通 */
.section {
  padding-block: 4.5rem;
}

.section h2 {
  margin: 0 0 2rem;
  font-weight: 700;
  font-size: clamp(1.6rem, 4.6vw, 2.2rem);
  line-height: 1.4;
}

.section .intro {
  margin: -1rem 0 2.25rem;
  max-width: var(--measure);
  color: var(--ink-soft);
}

.band {
  background: var(--leaf);
}

/* 使い方 (順番があるので番号つき) */
.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2rem;
  counter-reset: step;
}

@media (min-width: 820px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 3.4rem;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 2.4rem;
  text-align: center;
  font-family: var(--font-en);
}

.steps h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.5;
}

.steps p {
  margin: 0;
  color: var(--ink-soft);
  max-width: var(--measure);
}

/* できること */
.features {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.9rem 3rem;
}

@media (min-width: 720px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}

.features li {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  column-gap: 0.9rem;
}

.features svg {
  grid-row: span 2;
  width: 2.6rem;
  height: 2.6rem;
  padding: 0.55rem;
  border-radius: 12px;
  background: var(--sheet);
  stroke: var(--green);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.features h3 {
  margin: 0;
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.5;
}

.features p {
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
}

/* 料金 (レシートの形) */
.pricing .wrap {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 820px) {
  .pricing .wrap {
    grid-template-columns: 1fr 22rem;
    gap: 4rem;
  }
}

.pricing h2 {
  margin-bottom: 1rem;
}

.pricing p {
  margin: 0 0 1rem;
  max-width: var(--measure);
  color: var(--ink-soft);
}

.receipt {
  background: var(--sheet);
  padding: 1.6rem 1.5rem 1.4rem;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 10px 24px -16px rgba(36, 48, 42, 0.4);
  /* 下端のギザギザ */
  -webkit-mask: radial-gradient(circle 6px at 50% 100%, transparent 98%, #000) 0 0 / 16px 100% repeat-x;
  mask: radial-gradient(circle 6px at 50% 100%, transparent 98%, #000) 0 0 / 16px 100% repeat-x;
  padding-bottom: 2rem;
}

.receipt h3 {
  margin: 0 0 1rem;
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
}

.receipt dl {
  margin: 0;
}

.receipt dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-top: 1px dashed var(--rule);
}

.receipt dt {
  color: var(--ink-soft);
}

.receipt dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
  font-family: var(--font-num);
}

.receipt .free dd {
  color: var(--green-deep);
  font-size: 1.2rem;
}

.receipt .year dd {
  font-size: 1.2rem;
}

.receipt .fine {
  margin: 1rem 0 0;
  color: var(--ink-faint);
  font-size: 0.8rem;
  line-height: 1.7;
  text-align: center;
}

/* データの扱い */
.privacy-note p {
  margin: 0;
  max-width: 40rem;
  color: var(--ink-soft);
}

/* よくある質問 */
.faq {
  max-width: 46rem;
}

.faq details {
  border-top: 1px solid var(--rule);
}

.faq details:last-child {
  border-bottom: 1px solid var(--rule);
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 2.2rem 1.1rem 0;
  position: relative;
  font-weight: 600;
  line-height: 1.6;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "";
  position: absolute;
  right: 0.4rem;
  top: 1.45rem;
  width: 0.6rem;
  height: 0.6rem;
  border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.faq details[open] summary::after {
  transform: rotate(-135deg);
  top: 1.7rem;
}

.faq details > div {
  padding: 0 0 1.25rem;
  color: var(--ink-soft);
}

.faq details p {
  margin: 0 0 0.6rem;
}

@media (prefers-reduced-motion: reduce) {
  .faq summary::after {
    transition: none;
  }
}

/* 文書ページ (プライバシーポリシー・サポート) */
.doc {
  padding-block: 2rem 4.5rem;
}

.doc .wrap {
  max-width: 44rem;
}

.doc h1 {
  margin: 0 0 0.4rem;
  font-weight: 700;
  font-size: clamp(1.7rem, 5vw, 2.3rem);
  line-height: 1.4;
}

.doc .date {
  margin: 0 0 2rem;
  color: var(--ink-faint);
  font-size: 0.9rem;
}

.doc h2 {
  margin: 2.4rem 0 0.6rem;
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.5;
}

.doc p,
.doc li {
  color: var(--ink-soft);
}

.doc ul,
.doc ol {
  padding-left: 1.3rem;
}

.doc li + li {
  margin-top: 0.3rem;
}

.doc .lang-switch {
  margin: 0 0 2rem;
  font-size: 0.9rem;
}

.doc hr {
  margin: 4rem 0 3rem;
  border: 0;
  border-top: 1px solid var(--rule);
}

.contact-box {
  margin: 1.5rem 0 0;
  padding: 1.25rem 1.4rem;
  border-radius: 14px;
  background: var(--sheet);
}

.contact-box p {
  margin: 0;
}

.contact-box p + p {
  margin-top: 0.4rem;
}

/* フッター */
.site-footer {
  padding-block: 2.5rem 3rem;
  border-top: 1px solid var(--rule);
  font-size: 0.88rem;
  color: var(--ink-faint);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--green-deep);
  text-decoration: underline;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 520px) {
  .site-nav {
    display: none;
  }
}