/* MonoSense — 温かいオレンジ（旧 MonoSense の配色とモノくんを引き継ぐ） */

:root {
  --bg: #f8f4e9;
  --surface: #fffdf8;
  --tint: #f3ead9;
  --text: #43382f;
  --muted: #6f6256;
  --line: #e6dac6;
  --orange: #ff8c42;
  --orange-soft: #ffe3cc;
  --orange-ink: #b04a0a;
  --tan: #d4a574;
  --on-orange: #2b1a0e;
  --live-bg: #e3efd6;
  --live-ink: #3f6420;
  --dev-bg: #ece6dc;
  --dev-ink: #5f5348;
  --shadow: 0 1px 2px rgba(67, 56, 47, .06), 0 8px 24px rgba(67, 56, 47, .07);
  --radius: 20px;
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", "Noto Sans JP", "Meiryo", sans-serif;
  --font-round: "Hiragino Maru Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", "Noto Sans JP", "Meiryo", sans-serif;
  --font-logo: "Arial Rounded MT Bold", "Hiragino Maru Gothic ProN", "Hiragino Sans", sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1f1813;
    --surface: #2a211b;
    --tint: #261d17;
    --text: #f3e8da;
    --muted: #c9b9a7;
    --line: #3d3128;
    --orange-soft: #4a2c17;
    --orange-ink: #ffad73;
    --tan: #a9825a;
    --live-bg: #2f3d23;
    --live-ink: #c3e3a2;
    --dev-bg: #3a3029;
    --dev-ink: #e0d3c4;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 72px;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

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

a { color: var(--orange-ink); text-underline-offset: 3px; }

h1, h2, h3 {
  font-family: var(--font-round);
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
  letter-spacing: .01em;
}

/* 見出しを単語の途中で折り返さない（対応しているブラウザだけ） */
h1, h2, h3, .app-lead, .articles .title { word-break: auto-phrase; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .container { padding: 0 32px; }
}

.sp { display: inline; }
@media (min-width: 768px) {
  .sp { display: none; }
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 16px;
  top: 12px;
  z-index: 100;
  background: var(--surface);
  padding: 8px 12px;
  border-radius: 8px;
}

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

/* ヘッダー */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -.01em;
}

.nav {
  display: flex;
  gap: 4px;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 999px;
}

.nav a:hover { background: var(--orange-soft); }

/* はじめの画面 */
.hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 56px;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: var(--orange-soft);
  z-index: -1;
}

.hero::before { width: 420px; height: 420px; right: -140px; top: -120px; }
.hero::after { width: 160px; height: 160px; left: -60px; bottom: -40px; opacity: .7; }

.hero-inner {
  display: flex;
  flex-direction: column-reverse;
  gap: 16px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--orange-ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
}

.hero h1 {
  font-size: clamp(30px, 8.4vw, 52px);
  line-height: 1.35;
}

.lead {
  margin: 20px 0 0;
  color: var(--muted);
  max-width: 36em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}

.btn-primary {
  background: var(--orange);
  color: var(--on-orange);
  box-shadow: 0 3px 0 #d96e26;
}

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 2px solid var(--line);
}

.btn:hover { transform: translateY(-1px); }
.btn-primary:active { transform: translateY(2px); box-shadow: 0 1px 0 #d96e26; }

@media (max-width: 479px) {
  .actions .btn { width: 100%; }
}

.x-logo {
  width: 16px;
  height: 16px;
  fill: currentColor;
  flex: none;
}

.hero-mascot {
  position: relative;
  align-self: center;
  display: flex;
  align-items: flex-end;
  gap: 4px;
}

.hero-mascot img {
  width: 120px;
  height: 120px;
  filter: drop-shadow(0 10px 18px rgba(255, 140, 66, .25));
}

@media (prefers-reduced-motion: no-preference) {
  .hero-mascot img { animation: bob 3.2s ease-in-out infinite; }
}

@keyframes bob {
  0%, 100% { transform: translateY(-4px); }
  50% { transform: translateY(4px); }
}

.bubble {
  order: -1;
  flex: none;
  white-space: nowrap;
  margin: 0 0 56px;
  padding: 10px 14px;
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: 16px 16px 4px 16px;
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.5;
  box-shadow: var(--shadow);
}

@media (min-width: 800px) {
  .hero { padding: 72px 0 96px; }
  .hero::before { width: 560px; height: 560px; right: -120px; top: -140px; }
  .hero-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }
  .hero-mascot img { width: 220px; height: 220px; }
  .bubble { font-size: 16px; margin-bottom: 120px; }
}

/* セクション共通 */
.section { padding: 56px 0; }
.section-tint { background: var(--tint); }

@media (min-width: 800px) {
  .section { padding: 88px 0; }
}

.section-head { max-width: 44em; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(24px, 6vw, 34px); }
.section-head > p:not(.eyebrow) { margin: 12px 0 0; color: var(--muted); }

/* 札 */
.tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  margin: 6px 0 0;
}

.status, .price {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.6;
  white-space: nowrap;
}

.status-live, .price-free { background: var(--live-bg); color: var(--live-ink); }
.status-soon { background: var(--orange-soft); color: var(--orange-ink); }
.status-dev, .price-paid { background: var(--dev-bg); color: var(--dev-ink); }

.platform, .series {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}

/* アプリ */
.app-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 720px) {
  .app-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

.app-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

@media (min-width: 720px) {
  .app-card { padding: 24px; }
}

.app-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.app-icon {
  width: 64px;
  height: 64px;
  border-radius: 22%;
  flex: none;
  box-shadow: 0 2px 8px rgba(67, 56, 47, .15);
}

@media (min-width: 720px) {
  .app-icon { width: 72px; height: 72px; }
}

.app-card h3 { font-size: 20px; }
.app-card h3 small { font-size: 13px; font-weight: 600; color: var(--muted); }

.app-lead {
  margin: 16px 0 8px;
  font-weight: 600;
}

.points {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 14px;
}

.points li {
  position: relative;
  padding-left: 20px;
  margin-top: 4px;
}

.points li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: auto 0 0;
  padding-top: 16px;
}

.link-arrow {
  font-weight: 700;
  font-size: 15px;
  color: var(--orange-ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
}

.link-arrow::after {
  content: "→";
  transition: transform .15s ease;
}

a.link-arrow:hover::after,
a:hover > .link-arrow::after,
a:hover .feature-body .link-arrow::after { transform: translateX(3px); }

.app-card-next {
  align-items: center;
  justify-content: center;
  text-align: center;
  background: transparent;
  border: 2px dashed var(--tan);
  box-shadow: none;
}

.app-card-next img { width: 56px; height: 56px; opacity: .9; }
.app-card-next h3 { margin-top: 12px; font-size: 18px; }
.app-card-next p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.app-card-next .links { margin: 0; padding-top: 8px; justify-content: center; }

@media (min-width: 720px) {
  .app-card-next { grid-column: 1 / -1; }
}

/* 連載 */
.contents {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 720px) {
  .contents { grid-template-columns: repeat(4, 1fr); gap: 12px; }
}

.contents li {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border-radius: 14px;
  padding: 12px 14px;
  font-weight: 600;
  font-size: 14px;
  line-height: 1.5;
}

.contents span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: none;
  border-radius: 50%;
  background: var(--orange);
  color: var(--on-orange);
  font-family: var(--font-logo);
  font-size: 14px;
}

.note-small {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.feature {
  display: grid;
  margin-top: 32px;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--text);
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform .15s ease;
}

.feature:hover { transform: translateY(-2px); }

.feature img {
  width: 100%;
  aspect-ratio: 1280 / 670;
  object-fit: cover;
}

.feature-body { padding: 20px; }
.feature-body h3 { font-size: clamp(20px, 5.4vw, 26px); margin-top: 8px; }
.feature-body p:not(.tags) { margin: 10px 0 12px; color: var(--muted); font-size: 15px; }

@media (min-width: 800px) {
  .feature { grid-template-columns: 1.15fr 1fr; align-items: center; }
  .feature img { height: 100%; }
  .feature-body { padding: 32px; }
}

.articles {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

@media (min-width: 800px) {
  .articles { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}

.articles a {
  display: grid;
  gap: 4px;
  height: 100%;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--text);
  text-decoration: none;
  transition: border-color .15s ease, transform .15s ease;
}

.articles a:hover { border-color: var(--orange); transform: translateY(-1px); }

.articles .title {
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.55;
}

.articles .meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
}

.magazine {
  display: block;
  margin-top: 24px;
  padding: 24px 20px;
  border-radius: var(--radius);
  background: var(--orange);
  color: var(--on-orange);
  text-decoration: none;
  box-shadow: 0 4px 0 #d96e26;
  transition: transform .15s ease;
}

.magazine:hover { transform: translateY(-2px); }
.magazine .eyebrow { color: var(--on-orange); opacity: .8; }
.magazine h3 { font-size: clamp(19px, 5vw, 24px); }
.magazine p:not(.eyebrow) { margin: 10px 0 12px; font-size: 15px; }
.magazine .link-arrow { color: var(--on-orange); }

@media (min-width: 800px) {
  .magazine { padding: 32px; }
}

.more {
  margin: 24px 0 0;
  text-align: center;
}

/* X と note */
.follow-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 720px) {
  .follow-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

.follow-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding: 28px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform .15s ease;
}

.follow-card:hover { transform: translateY(-2px); }
.follow-card .x-logo { width: 36px; height: 36px; }

.note-mark {
  font-family: var(--font-logo);
  font-size: 26px;
  line-height: 36px;
}

.follow-name {
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 20px;
  margin-top: 4px;
}

.follow-desc { color: var(--muted); font-size: 14px; }
.follow-card .btn { margin-top: 12px; }
.follow-card:hover .btn { transform: translateY(-1px); }

/* フッター */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 40px;
  font-size: 14px;
}

.footer-inner {
  display: grid;
  gap: 12px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
}

.footer-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
}

.footer-nav a:hover { color: var(--orange-ink); }

.footer-note, .copyright {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

/* 404 */
.notfound {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 16px;
}

.notfound img { width: 120px; height: 120px; margin: 0 auto 16px; }
.notfound h1 { font-size: 24px; }
.notfound p { color: var(--muted); }