/* =========================================================
   ありえへん英語学習法図鑑 — style.css
   姉妹サイト「マジカ!?サイエンス」「マジか!?ことば」と同じ
   太い線＋オフセット影の“ネオ・ブルータル”に、レトロ図鑑のクリーム紙と判定色。
   ========================================================= */

:root {
  --bg: #fff7e8;
  --bg2: #fbefd6;
  --card: #ffffff;
  --ink: #2b2b2b;
  --ink2: #5e5850;
  --line: #2b2b2b;
  --ink-fixed: #2b2b2b;
  --paper: #fff7e8;
  --pop: #f2b705;
  --red: #e0443a;
  --blue: #2f6fd6;
  --green: #2e9e5b;
  --greige: #e9e4da;
  --v-supported: #2e9e5b;
  --v-partial: #f2b705;
  --v-weak: #f07f1a;
  --v-dubious: #e0443a;
  --v-proven: #2f6fd6;
  --shadow: 4px 4px 0 var(--line);
  --shadow-lg: 7px 7px 0 var(--line);
  --r: 18px;
  --r-sm: 12px;
  --font: 'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic UI', Meiryo, system-ui, sans-serif;
  --display: 'Dela Gothic One', 'Zen Kaku Gothic New', 'Hiragino Sans', sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #15131c;
    --bg2: #1d1a28;
    --card: #221f2e;
    --ink: #f6f0e4;
    --ink2: #bdb5a6;
    --line: #4a4560;
    --greige: #2e2a3b;
    --shadow: 4px 4px 0 #000;
    --shadow-lg: 7px 7px 0 #000;
    color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --bg: #15131c;
  --bg2: #1d1a28;
  --card: #221f2e;
  --ink: #f6f0e4;
  --ink2: #bdb5a6;
  --line: #4a4560;
  --greige: #2e2a3b;
  --shadow: 4px 4px 0 #000;
  --shadow-lg: 7px 7px 0 #000;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  background-image: radial-gradient(color-mix(in srgb, var(--ink) 8%, transparent) 1px, transparent 1.2px);
  background-size: 22px 22px;
}
img,
svg {
  max-width: 100%;
}
img {
  height: auto;
}
a {
  color: inherit;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
h1,
h2,
h3 {
  line-height: 1.35;
  text-wrap: balance;
}
/* 見出し・太字は文節の途中で折り返さない（ビルド時に文節の切れ目へ <wbr> を入れてある）。
   入りきらない長い語だけは途中で折る */
h1,
h2,
h3,
strong,
b {
  word-break: keep-all;
  word-break: auto-phrase; /* Chrome 系は JS で描く見出しも文節で折る */
  overflow-wrap: break-word;
}
/* <br> 入りの見出しはビルド時に行ごとの .ln に分けてある（行ごとに長さをそろえる） */
.ln {
  display: block;
  text-wrap: balance;
}
:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}
.wrap {
  width: min(1180px, 100% - 32px);
  margin-inline: auto;
}
.wrap-narrow {
  width: min(780px, 100% - 32px);
  margin-inline: auto;
}
.center {
  text-align: center;
}
.small {
  font-size: 13px;
}
.muted {
  color: var(--ink2);
}
.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 100;
  background: var(--pop);
  color: var(--ink-fixed);
  padding: 8px 14px;
  border-radius: 8px;
}
.skip:focus {
  left: 8px;
}

/* ---------- 姉妹サイトバー（マジカ!? と同じ位置） ---------- */
.sisterbar {
  overflow: hidden;
  background: linear-gradient(90deg, #ff3d7f, #7b3fe4 55%, #2f6bff);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}
.sisterbar a {
  display: block;
  padding: 6px 12px;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sb-new {
  display: inline-block;
  background: #fff;
  color: #e0443a;
  border-radius: 999px;
  padding: 0 8px;
  margin-right: 8px;
  font-size: 11px;
  font-weight: 900;
}
.sb-go {
  color: #ffe14d;
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 2px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 66px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-mark svg {
  width: 44px;
  height: 44px;
  display: block;
  animation: wobble 4s ease-in-out infinite;
  font-family: var(--display);
}
.logo-words {
  display: grid;
  line-height: 1.05;
}
.logo-words small {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--ink2);
}
.logo-text {
  font-family: var(--display);
  font-size: 23px;
  letter-spacing: 0.02em;
}
.logo-text em {
  font-style: normal;
  color: var(--red);
  display: inline-block;
  animation: pop-q 2.6s ease-in-out infinite;
}
.logo-tag {
  font-size: 10.5px;
  font-weight: 900;
  background: var(--ink);
  color: var(--bg);
  border-radius: 5px;
  padding: 2px 6px;
  justify-self: start;
  margin-top: 3px;
  letter-spacing: 0.08em;
}
.main-nav {
  display: flex;
  gap: 2px;
  margin-left: auto;
}
.main-nav a {
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  padding: 7px 11px;
  border-radius: 999px;
  white-space: nowrap;
  transition: background 0.2s;
}
.main-nav a:hover,
.main-nav a.on {
  background: var(--pop);
  color: var(--ink-fixed);
}
.header-tools {
  display: flex;
  gap: 6px;
}
.icon-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 2px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  box-shadow: 2px 2px 0 var(--line);
  transition: transform 0.15s, box-shadow 0.15s;
  text-decoration: none;
}
.icon-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--line);
}
.icon-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--line);
}
.icon-btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.cat-nav {
  border-top: 1px solid color-mix(in srgb, var(--line) 25%, transparent);
}
.cat-nav-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 6px;
  padding: 7px 0;
  justify-content: center;
}
.cat-nav a {
  flex-shrink: 0;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  padding: 3px 11px;
  border-radius: 999px;
  border: 2px solid transparent;
}
.cat-nav a:hover,
.cat-nav a.on {
  border-color: var(--line);
  background: var(--card);
}
@media (max-width: 1080px) {
  .main-nav {
    display: none;
  }
  .header-tools {
    margin-left: auto;
  }
}
@media (max-width: 420px) {
  .logo-text {
    font-size: 20px;
  }
  .logo-mark svg {
    width: 38px;
    height: 38px;
  }
  .header-tools .icon-btn:first-child {
    display: none;
  }
}
@media (max-width: 360px) {
  .header-inner {
    gap: 8px;
  }
  .logo {
    gap: 6px;
  }
  .logo-text {
    font-size: 18px;
  }
  .logo-mark svg {
    width: 34px;
    height: 34px;
  }
  .header-tools {
    gap: 4px;
  }
  .header-tools .icon-btn {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 900;
  padding: 11px 20px;
  border: 2.5px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  color: var(--ink);
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
  line-height: 1.4;
  text-align: center;
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--line);
}
.btn:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--line);
}
.btn[disabled] {
  opacity: 0.45;
  pointer-events: none;
}
.btn svg {
  width: 18px;
  height: 18px;
}
.btn-red {
  background: var(--red);
  color: #fff;
  border-color: var(--ink-fixed);
}
.btn-yellow {
  background: var(--pop);
  color: var(--ink-fixed);
  border-color: var(--ink-fixed);
}
.btn-ink {
  background: var(--ink);
  color: var(--bg);
}
.btn-ghost {
  background: transparent;
  box-shadow: none;
}
.btn-x {
  background: #000;
  color: #fff;
  border-color: #000;
}
.btn-quiz {
  background: var(--pop);
  color: var(--ink-fixed);
}
.btn-big {
  font-size: 15px;
  padding: 14px 22px;
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
}
.btn-big {
  flex-direction: column;
  gap: 0;
}
.btn-big br {
  display: none;
}
.btn-big b {
  font-family: var(--display);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 0.02em;
}

/* ---------- 判定スタンプ ---------- */
.stamp {
  --c: var(--v-partial);
  display: inline-flex;
  align-items: center;
  font-family: var(--display);
  font-weight: 400;
  color: var(--c);
  border: 3px solid var(--c);
  border-radius: 10px;
  padding: 2px 10px 1px;
  line-height: 1.35;
  letter-spacing: 0.04em;
  background: color-mix(in srgb, var(--c) 9%, var(--card));
  transform: rotate(-4deg);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--c) 18%, transparent);
  white-space: nowrap;
  font-size: 15px;
}
.stamp-supported {
  --c: var(--v-supported);
}
.stamp-partial {
  --c: #c89400;
}
.stamp-weak {
  --c: var(--v-weak);
}
.stamp-dubious {
  --c: var(--v-dubious);
}
.stamp-proven {
  --c: var(--v-proven);
}
:root[data-theme='dark'] .stamp-partial {
  --c: var(--v-partial);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .stamp-partial {
    --c: var(--v-partial);
  }
}
.stamp-xs {
  font-size: 10px;
  border-width: 2px;
  padding: 0 5px;
  border-radius: 6px;
  transform: none;
}
.stamp-sm {
  font-size: 12px;
  border-width: 2px;
  padding: 1px 7px 0;
  border-radius: 7px;
}
.stamp-lg {
  font-size: 22px;
  padding: 4px 14px 2px;
}
.stamp-xl {
  font-size: clamp(24px, 5vw, 34px);
  border-width: 4px;
  padding: 6px 18px 3px;
  border-radius: 14px;
  transform: rotate(-8deg);
  box-shadow: 3px 3px 0 var(--line), inset 0 0 0 3px color-mix(in srgb, var(--c) 18%, transparent);
}
.chip {
  display: inline-block;
  font-size: 11px;
  font-weight: 900;
  padding: 1px 8px;
  border-radius: 999px;
  margin-left: 6px;
  border: 1.5px solid var(--line);
  vertical-align: middle;
  background: var(--card);
}
.chip-jp {
  background: #fde2df;
  color: #a3241b;
  border-color: #e0443a;
}
.chip-check {
  background: var(--greige);
  color: var(--ink);
}
.chip-comm,
.chip-l1 {
  background: #fff0c2;
  color: #6b5200;
  border-color: #c89400;
}

/* ---------- ページ見出し ---------- */
.page-head {
  position: relative;
  border-bottom: 2.5px solid var(--line);
  background: var(--bg2);
  overflow: hidden;
}
.page-head-img img {
  display: block;
  width: 100%;
  height: clamp(150px, 26vw, 330px);
  object-fit: cover;
}
.page-head-text {
  text-align: center;
  padding: 26px 0 30px;
}
.page-head h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(28px, 6vw, 48px);
  margin: 4px 0 10px;
  line-height: 1.25;
}
.kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 900;
  background: var(--ink);
  color: var(--bg);
  padding: 3px 12px;
  border-radius: 999px;
  margin: 0;
  letter-spacing: 0.06em;
}
.lead {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink2);
  margin: 0;
}
.section {
  padding: 40px 0;
}
.sec-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(22px, 4.2vw, 30px);
  margin: 26px 0 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.sec-title > span:first-child {
  font-size: 1.1em;
}
.sec-title small {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink2);
}
.center-title {
  justify-content: center;
}
.sec-lead {
  margin: 0 0 18px;
  color: var(--ink2);
  font-weight: 500;
}
.band-japan {
  background: var(--bg2);
  border-block: 2.5px solid var(--line);
}
.band-map {
  background: color-mix(in srgb, var(--blue) 8%, var(--bg));
  border-block: 2.5px solid var(--line);
}

/* ---------- ヒーロー（マジカ!? と同じ夜空系） ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(1200px 600px at 75% 30%, #3a2a66 0%, transparent 60%), radial-gradient(900px 500px at 10% 90%, #4a1f3c 0%, transparent 60%), #17142a;
  color: #fff;
  border-bottom: 2.5px solid var(--line);
}
.hero-bg .hb {
  position: absolute;
  font-size: 28px;
  opacity: 0.55;
  animation: float 7s ease-in-out infinite;
}
.hb.s1 {
  left: 4%;
  top: 14%;
}
.hb.s2 {
  left: 46%;
  top: 8%;
  animation-delay: -2s;
}
.hb.s3 {
  left: 30%;
  bottom: 8%;
  animation-delay: -4s;
}
.hb.s4 {
  right: 4%;
  top: 6%;
  animation-delay: -1s;
}
.hb.s5 {
  right: 40%;
  bottom: 5%;
  animation-delay: -3s;
}
.hb.s6 {
  left: 2%;
  bottom: 18%;
  font-family: var(--display);
  color: #ffe14d;
  animation-delay: -5s;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 44px 0 50px;
}
.hero-kicker {
  display: inline-block;
  margin: 0 0 10px;
  font-weight: 900;
  font-size: 14px;
  color: #ffe14d;
  letter-spacing: 0.12em;
  border-bottom: 2px solid #ffe14d;
}
.hero-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(36px, 6.4vw, 70px);
  line-height: 1.12;
  margin: 0 0 18px;
  letter-spacing: 0.01em;
}
.grad {
  background: linear-gradient(90deg, #ffe14d, #ff7a59 45%, #ff3d7f 75%, #b18cff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(3px 3px 0 #000);
}
.hero-hook {
  font-size: clamp(15px, 2.1vw, 18px);
  font-weight: 500;
  color: #ece7ff;
  margin: 0 0 22px;
}
.hero-hook b {
  color: #fff;
}
.hl-g {
  color: #7ee2a8 !important;
}
.hl-o {
  color: #ffb36b !important;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}
.hero-cta .btn {
  border-color: #000;
  box-shadow: 6px 6px 0 #000;
  flex: 1 1 220px;
}
.stats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.stats li {
  border: 1.5px solid #ffffff33;
  background: #ffffff10;
  border-radius: 14px;
  padding: 8px 14px;
  min-width: 96px;
}
.stats b {
  display: block;
  font-family: var(--display);
  font-weight: 400;
  font-size: 30px;
  line-height: 1.1;
  color: #ffe14d;
}
.stats span {
  font-size: 12px;
  font-weight: 700;
  color: #d8d2f5;
}
.hero-art > img {
  display: block;
  width: 100%;
  border: 3px solid #000;
  border-radius: 22px;
  box-shadow: 9px 9px 0 #000;
  transform: rotate(1.5deg);
  background: #fff7e8;
}
@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
    padding-top: 28px;
  }
  .hero-art {
    order: -1;
  }
  .hero-art > img {
    transform: none;
  }
}

/* ---------- カード ---------- */
.egrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.ecard {
  --c: var(--v-partial);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s;
}
.ecard:hover {
  transform: translate(-2px, -2px) rotate(-0.4deg);
  box-shadow: 7px 7px 0 var(--line);
}
.ecard.v-supported {
  --c: var(--v-supported);
}
.ecard.v-weak {
  --c: var(--v-weak);
}
.ecard.v-dubious {
  --c: var(--v-dubious);
}
.ecard.v-proven {
  --c: var(--v-proven);
}
.ecard-img {
  aspect-ratio: 1 / 1;
  background: var(--paper);
  border-bottom: 2.5px solid var(--line);
  display: grid;
  place-items: center;
  position: relative;
}
.ecard-img::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 6px;
  background: var(--c);
}
.ecard-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.thumb-badge {
  width: 58%;
  height: auto;
}
.ecard-body {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}
.ecard-name {
  font-size: 16px;
  font-weight: 900;
  line-height: 1.45;
}
.ecard-claim {
  font-size: 13px;
  color: var(--ink2);
  line-height: 1.55;
}
.ecard-reason {
  font-size: 12.5px;
  line-height: 1.6;
  border-top: 1.5px dashed color-mix(in srgb, var(--line) 35%, transparent);
  padding-top: 6px;
  margin-top: 2px;
}
.ecard[hidden] {
  display: none;
}
@media (max-width: 520px) {
  .egrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 11px;
  }
  .ecard-body {
    padding: 9px 10px 11px;
  }
  .ecard-name {
    font-size: 14px;
  }
  .ecard-claim {
    font-size: 12px;
  }
}

/* ---------- めくりカード（トップの意外な判定） ---------- */
.flip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
}
.flip {
  position: relative;
  border: none;
  padding: 0;
  background: none;
  perspective: 1000px;
  min-height: 330px;
  text-align: center;
}
.flip-front,
.flip-back {
  position: absolute;
  inset: 0;
  border: 2.5px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  background: var(--card);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
}
.flip-back {
  transform: rotateY(180deg);
  background: var(--paper);
  color: var(--ink-fixed);
}
.flip[aria-pressed='true'] .flip-front {
  transform: rotateY(-180deg);
}
.flip[aria-pressed='true'] .flip-back {
  transform: rotateY(0);
}
.flip-img {
  width: 150px;
  height: 150px;
  border-radius: 14px;
  overflow: hidden;
  border: 2px solid var(--line);
  display: grid;
  place-items: center;
  background: var(--paper);
}
.flip-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.flip strong {
  font-size: 18px;
  font-weight: 900;
  line-height: 1.4;
}
.flip-claim {
  font-size: 13px;
  color: var(--ink2);
}
.flip-hint {
  font-size: 12px;
  font-weight: 900;
  background: var(--pop);
  color: var(--ink-fixed);
  border-radius: 999px;
  padding: 2px 12px;
  animation: nudge 1.8s ease-in-out infinite;
}
.flip-why {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.7;
  margin-top: 10px;
}
.flip-more {
  font-size: 13px;
  font-weight: 900;
}

/* ---------- 判定3列 ---------- */
.vcols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.vcol {
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 14px 18px;
}
.vcol h3 {
  margin: 4px 0 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.vcol h3 small {
  font-size: 13px;
  color: var(--ink2);
}
.vcol ul {
  margin: 0;
  padding-left: 1.2em;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.9;
}
@media (max-width: 760px) {
  .vcols {
    grid-template-columns: 1fr;
  }
}
.vhead {
  margin-top: 34px;
}

/* ---------- クイズバナー・ティーザー ---------- */
.quiz-banner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  text-decoration: none;
  border: 3px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: #fff1d6;
  color: var(--ink-fixed);
}
.quiz-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 220px;
}
.qb-text {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  align-items: flex-start;
}
.qb-kicker {
  background: var(--red);
  color: #fff;
  font-weight: 900;
  font-size: 12px;
  border-radius: 999px;
  padding: 2px 10px;
}
.qb-text strong {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.25;
}
@media (max-width: 760px) {
  .quiz-banner {
    grid-template-columns: 1fr;
  }
}
.two-col {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 28px;
  align-items: center;
}
.map-teaser {
  display: block;
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 8px;
}
@media (max-width: 760px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}
.three-teasers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.teaser {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
  border: 2.5px solid var(--line);
  border-radius: var(--r);
  padding: 20px;
  box-shadow: var(--shadow);
  background: var(--card);
  transition: transform 0.15s, box-shadow 0.15s;
}
.teaser:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--line);
}
.teaser strong {
  font-size: 18px;
  font-weight: 900;
  line-height: 1.4;
}
.teaser span:last-child {
  font-size: 14px;
  color: var(--ink2);
}
.t-emoji {
  font-size: 34px;
}
.t-school {
  background: color-mix(in srgb, var(--v-weak) 12%, var(--card));
}
.t-proven {
  background: color-mix(in srgb, var(--v-proven) 12%, var(--card));
}
.t-honne {
  background: color-mix(in srgb, var(--v-partial) 16%, var(--card));
}
@media (max-width: 760px) {
  .three-teasers {
    grid-template-columns: 1fr;
  }
}
.legend-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.legend {
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: var(--r);
  padding: 14px;
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
}
.legend .badge {
  width: 64px;
  height: 64px;
  display: block;
  margin: 0 auto 6px;
}
.legend p {
  font-size: 13px;
  margin: 8px 0 0;
  line-height: 1.6;
}
.legend-n {
  position: absolute;
  top: 8px;
  right: 10px;
  font-size: 12px;
  font-weight: 900;
  color: var(--ink2);
}
@media (max-width: 900px) {
  .legend-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- エントリーページ ---------- */
.entry-top {
  padding-top: 18px;
}
.crumbs {
  font-size: 13px;
  color: var(--ink2);
  margin-bottom: 14px;
}
.entry-hero {
  display: grid;
  grid-template-columns: minmax(0, 420px) 1fr;
  gap: 32px;
  align-items: start;
}
.entry-visual {
  position: relative;
  border: 3px solid var(--line);
  border-radius: 24px;
  overflow: visible;
  box-shadow: var(--shadow-lg);
  background: var(--paper);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
}
.entry-visual img {
  border-radius: 21px;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.entry-visual .thumb-badge {
  width: 60%;
}
.entry-stamp {
  position: absolute;
  right: -10px;
  bottom: -16px;
  animation: stamp-in 0.55s cubic-bezier(0.2, 1.6, 0.4, 1) both 0.2s;
}
.entry-type {
  font-size: 13px;
  font-weight: 900;
  color: var(--ink2);
  margin: 0;
}
.entry-name {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(28px, 5.4vw, 46px);
  line-height: 1.22;
  margin: 6px 0 8px;
  word-break: break-word;
}
.entry-kana {
  display: block;
  font-family: var(--font);
  font-size: clamp(14px, 2.2vw, 18px);
  font-weight: 700;
  color: var(--ink2);
  line-height: 1.5;
  margin-top: 4px;
  letter-spacing: 0.02em;
}
/* 英語名の下に添えるカタカナ読み（カード・ランキング等） */
.name-kana {
  display: block;
  font-family: var(--font);
  font-size: 0.72em;
  font-weight: 700;
  color: var(--ink2);
  line-height: 1.4;
  margin-top: 2px;
}
.entry-what {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 14px;
}
.entry-claim {
  font-size: 18px;
  font-weight: 900;
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: 14px;
  padding: 10px 14px;
  margin: 0 0 14px;
  box-shadow: var(--shadow);
  position: relative;
}
.entry-claim span {
  display: block;
  font-size: 11px;
  color: var(--ink2);
  letter-spacing: 0.1em;
}
.facts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
  margin: 0;
}
.facts div {
  border: 1.5px solid color-mix(in srgb, var(--line) 40%, transparent);
  border-radius: 10px;
  padding: 6px 10px;
  background: color-mix(in srgb, var(--card) 70%, transparent);
}
.facts dt {
  font-size: 11px;
  font-weight: 900;
  color: var(--ink2);
}
.facts dd {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}
.weird {
  color: var(--red);
  letter-spacing: 0.08em;
}
@media (max-width: 760px) {
  .entry-hero {
    grid-template-columns: 1fr;
  }
  .entry-visual {
    max-width: 420px;
    width: 100%;
    margin: 0 auto 10px;
  }
}
.entry-main {
  padding: 34px 0 40px;
}
.box {
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 18px 22px;
  margin-bottom: 20px;
}
.box h2 {
  font-size: 19px;
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.box h2 small {
  font-size: 11px;
  font-weight: 900;
  border-radius: 999px;
  padding: 1px 9px;
  background: var(--blue);
  color: #fff;
}
.box p {
  margin: 0 0 10px;
}
.box-verdict {
  border-left: 10px solid var(--v);
}
.verdict-line {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink2);
}
.evidence-memo {
  font-size: 14px;
  background: var(--bg2);
  border-radius: 10px;
  padding: 8px 12px;
}
.evidence-memo b {
  display: inline-block;
  margin-right: 8px;
  font-size: 12px;
}
.papers {
  list-style: none;
  padding: 0;
  margin: 8px 0;
}
.papers li {
  border: 1.5px dashed color-mix(in srgb, var(--line) 50%, transparent);
  border-radius: 12px;
  padding: 10px 12px;
  display: grid;
  gap: 2px;
  font-size: 14px;
}
.paper-cite {
  font-weight: 700;
}
.paper-journal {
  font-style: italic;
  color: var(--ink2);
}
.paper-doi {
  font-size: 13px;
  word-break: break-all;
}
.note {
  font-size: 13px;
  color: var(--ink2);
}
.box-teacher {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 16px;
  align-items: start;
  background: color-mix(in srgb, var(--v-partial) 12%, var(--card));
}
.box-teacher h2 small {
  background: var(--red);
}
.teacher-face svg {
  width: 74px;
  height: 74px;
}
.say {
  position: relative;
  font-size: 17px;
  font-weight: 700;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 14px;
  padding: 10px 14px;
}
.say::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 14px;
  border: 7px solid transparent;
  border-right: 10px solid var(--line);
}
.src-list {
  margin: 0;
  padding-left: 1.2em;
  font-size: 14px;
  word-break: break-all;
}
.share-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0;
}
.share-row.center {
  justify-content: center;
}
.related h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 22px;
}
.pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 30px 0 10px;
  font-weight: 700;
  font-size: 14px;
}
.pager a {
  max-width: 48%;
  text-decoration: none;
  border-bottom: 2px solid var(--pop);
}
.entry-foot {
  font-size: 12px;
  color: var(--ink2);
  text-align: center;
}

/* ---------- 学校枠 ---------- */
.school-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.school-col {
  border: 2.5px solid var(--line);
  border-radius: 24px;
  padding: 6px 18px 20px;
}
.sc-bad {
  background: color-mix(in srgb, var(--v-weak) 9%, var(--bg));
}
.sc-good {
  background: color-mix(in srgb, var(--v-supported) 9%, var(--bg));
}
.school-col .egrid {
  grid-template-columns: repeat(auto-fill, minmax(165px, 1fr));
}
@media (max-width: 860px) {
  .school-split {
    grid-template-columns: 1fr;
  }
}
.pull {
  margin: 30px auto 0;
  max-width: 760px;
  font-size: 18px;
  font-weight: 700;
  border-left: 8px solid var(--red);
  background: var(--card);
  padding: 16px 20px;
  border-radius: 0 14px 14px 0;
}

/* ---------- 2軸マップ ---------- */
.map-wrap {
  position: relative;
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 8px;
}
.map-svg {
  display: block;
  width: 100%;
  height: auto;
  font-family: var(--font);
}
.map-bg {
  fill: var(--paper);
  stroke: var(--line);
  stroke-width: 2;
}
.q-tr {
  fill: color-mix(in srgb, var(--v-supported) 13%, transparent);
}
.q-bl {
  fill: color-mix(in srgb, var(--v-weak) 13%, transparent);
}
.map-axis-mid {
  stroke: #2b2b2b;
  stroke-width: 1.5;
  stroke-dasharray: 6 6;
  opacity: 0.4;
}
.q-label {
  font-size: 22px;
  font-weight: 900;
  fill: #2b2b2b;
  opacity: 0.55;
}
.ax-label {
  font-size: 15px;
  font-weight: 700;
  fill: var(--ink2);
}
.pt circle {
  stroke: #2b2b2b;
  stroke-width: 1.5;
  transition: r 0.15s;
}
.pt:hover circle,
.pt:focus circle {
  r: 11;
}
.map-tip {
  position: absolute;
  pointer-events: none;
  background: var(--ink);
  color: var(--bg);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 8px;
  white-space: nowrap;
  transform: translate(-50%, -130%);
}
.map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  list-style: none;
  padding: 0;
  margin: 14px 0 6px;
  font-size: 14px;
  font-weight: 700;
}
.map-legend i {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid #2b2b2b;
  margin-right: 6px;
  vertical-align: -2px;
}

/* ---------- 世界 ---------- */
.country-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  align-items: start;
}
.country {
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.country summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  list-style: none;
}
.country summary::-webkit-details-marker {
  display: none;
}
.flag {
  font-size: 30px;
  line-height: 1;
  flex-shrink: 0;
}
.flag img {
  width: 56px;
  height: 56px;
  display: block;
  border-radius: 12px;
  border: 2px solid var(--line);
  background: #fff7e8;
}
.country summary strong {
  flex: 1;
}
.cnt {
  font-family: var(--display);
  color: var(--red);
}
.country ul {
  list-style: none;
  margin: 0;
  padding: 0 14px 6px;
  font-size: 14px;
}
.country li {
  padding: 3px 0;
}
.country li a {
  text-decoration: none;
}
.country-more {
  display: block;
  font-size: 13px;
  font-weight: 900;
  padding: 0 14px 12px;
}

/* ---------- 一覧フィルター ---------- */
.filters {
  position: sticky;
  top: 108px;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(8px);
  border: 2.5px solid var(--line);
  border-radius: var(--r);
  padding: 12px;
  margin-bottom: 18px;
  display: grid;
  gap: 10px;
  box-shadow: var(--shadow);
}
.filters input[type='search'],
.filters select {
  width: 100%;
  font: inherit;
  font-weight: 700;
  border: 2px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  background: var(--card);
  color: var(--ink);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chips button {
  border: 2px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 13px;
  font-weight: 900;
}
.chips button.on {
  background: var(--ink);
  color: var(--bg);
}
.selects {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.result-count {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
}
@media (max-width: 1080px) {
  .filters {
    position: static;
  }
}

/* ---------- クイズ ---------- */
.quiz {
  scroll-margin-top: 120px;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow-lg);
  padding: 22px;
  text-align: center;
  min-height: 300px;
}
.quiz-rule {
  font-size: 15px;
}
.q-progress {
  display: flex;
  gap: 5px;
  justify-content: center;
  margin-bottom: 12px;
}
.q-progress i {
  width: 22px;
  height: 8px;
  border-radius: 99px;
  background: var(--greige);
  border: 1.5px solid var(--line);
}
.q-progress i.ok {
  background: var(--v-supported);
}
.q-progress i.ng {
  background: var(--v-dubious);
}
.q-progress i.now {
  background: var(--pop);
}
.q-num {
  font-family: var(--display);
  font-size: 15px;
  color: var(--ink2);
}
.q-img {
  width: min(300px, 70%);
  aspect-ratio: 1;
  margin: 8px auto 12px;
  border: 2.5px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: var(--paper);
  display: grid;
  place-items: center;
}
.q-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.q-name {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(22px, 5vw, 32px);
  margin: 4px 0;
  line-height: 1.3;
}
.q-claim {
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 18px;
}
.q-claim::before {
  content: 'うたい文句：';
  font-size: 12px;
  color: var(--ink2);
  display: block;
}
.q-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.q-btns .btn small {
  font-size: 12px;
  font-family: var(--font);
  font-weight: 900;
}
.q-btns .btn br {
  display: block;
}
.q-btns .btn {
  flex-direction: column;
  gap: 0;
  font-size: 19px;
  padding: 16px 10px;
  font-family: var(--display);
  font-weight: 400;
}
.q-feedback {
  margin-top: 16px;
  border: 2.5px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: var(--paper);
  color: var(--ink-fixed);
  animation: pop-in 0.35s ease both;
}
.q-feedback .ok-ng {
  font-family: var(--display);
  font-size: 30px;
  margin: 0;
}
.q-feedback .ok-ng.ok {
  color: var(--v-supported);
}
.q-feedback .ok-ng.ng {
  color: var(--v-dubious);
}
.q-feedback p {
  margin: 8px 0;
}
.q-feedback .q-teacher {
  font-size: 14px;
  background: #fff;
  border-radius: 12px;
  padding: 8px 12px;
  border: 1.5px dashed #2b2b2b80;
}
.q-feedback .btn {
  margin-top: 8px;
}

/* ---------- 結果 ---------- */
.result-hero {
  padding: 30px 0 50px;
  background: radial-gradient(800px 400px at 50% 0%, color-mix(in srgb, var(--pop) 30%, transparent), transparent 70%);
}
.result-hero .kicker {
  display: table;
  margin: 0 auto 14px;
}
.result-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 22px;
  align-items: center;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: 26px;
  padding: 20px;
  box-shadow: var(--shadow-lg);
  animation: pop-in 0.5s ease both;
}
.result-img {
  width: 100%;
  border-radius: 18px;
  border: 2.5px solid var(--line);
}
.score {
  margin: 0;
  font-weight: 900;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.score b {
  font-family: var(--display);
  font-weight: 400;
  font-size: 72px;
  line-height: 1;
  color: var(--red);
}
.rank-label {
  margin: 6px 0 0;
  font-size: 13px;
  font-weight: 900;
  color: var(--ink2);
}
.rank-name {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(26px, 5vw, 38px);
  line-height: 1.25;
  margin: 2px 0 8px;
}
.gauge {
  height: 16px;
  border: 2px solid var(--line);
  border-radius: 99px;
  background: linear-gradient(90deg, var(--v-supported), var(--v-partial), var(--v-weak), var(--v-dubious));
  position: relative;
  margin: 8px 0;
}
.gauge i {
  position: absolute;
  top: -7px;
  left: calc(var(--p) * 1%);
  width: 6px;
  height: 26px;
  background: var(--ink);
  border-radius: 3px;
  transform: translateX(-50%);
}
@media (max-width: 640px) {
  .result-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .result-img {
    max-width: 260px;
    margin: 0 auto;
  }
  .score {
    justify-content: center;
  }
}
.wrong-list h2,
.shindan-detail h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 22px;
}
.next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
}
.shindan-detail {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}
.sd-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 14px;
  align-items: center;
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  text-decoration: none;
  box-shadow: var(--shadow);
}
.sd-row img,
.sd-row svg {
  width: 90px;
  height: 90px;
  border-radius: 12px;
  object-fit: cover;
}
.sd-row small {
  display: block;
  font-size: 12px;
  font-weight: 900;
  color: var(--ink2);
}
.sd-row strong {
  font-size: 17px;
}
.sd-best {
  background: color-mix(in srgb, var(--v-supported) 10%, var(--card));
}
.sd-worst {
  background: color-mix(in srgb, var(--v-dubious) 10%, var(--card));
}
.sd-rec {
  background: color-mix(in srgb, var(--v-proven) 10%, var(--card));
}

/* ---------- 診断 ---------- */
.opt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}
.opt input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.opt-in {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  border: 2.5px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  padding: 10px;
  font-weight: 900;
  font-size: 14px;
  text-align: center;
  line-height: 1.4;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.12s, box-shadow 0.12s, background 0.12s;
  position: relative;
  height: 100%;
}
.opt-in img,
.opt-in svg {
  width: 100%;
  max-width: 130px;
  aspect-ratio: 1;
  border-radius: 12px;
  object-fit: cover;
}
.opt input:checked + .opt-in {
  background: var(--pop);
  color: var(--ink-fixed);
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--line);
}
.opt input:checked + .opt-in::after {
  content: '✓';
  position: absolute;
  top: 6px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 16px;
  border: 2px solid var(--ink-fixed);
}
.opt input:focus-visible + .opt-in {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}
.shindan-go {
  position: sticky;
  bottom: 12px;
  margin-top: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border: 2.5px solid var(--line);
  border-radius: 20px;
  padding: 10px 14px;
  box-shadow: var(--shadow);
}
.picked {
  margin: 0;
  font-weight: 900;
}
.picked b {
  font-family: var(--display);
  font-size: 26px;
  color: var(--red);
}

/* ---------- 姉妹リンク ---------- */
.xlink {
  max-width: 640px;
  margin: 28px auto 0;
}
.xlink-card {
  display: block;
  padding: 16px 18px;
  border: 2.5px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(120deg, #17142a, #3a2a66);
  color: #fff;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}
.xlink-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--line);
}
.xlink-label {
  display: inline-block;
  padding: 1px 9px;
  border-radius: 999px;
  background: #ff3d7f;
  font-size: 12px;
  font-weight: 900;
}
.xlink-title {
  display: block;
  font-family: var(--display);
  font-weight: 400;
  font-size: 30px;
  margin: 6px 0 2px;
  color: #ffe14d;
}
.xlink-desc {
  display: block;
  font-size: 14px;
}
.xlink-cta {
  display: inline-block;
  margin-top: 10px;
  padding: 5px 12px;
  border-radius: 8px;
  background: #ffe14d;
  color: #15131f;
  font-size: 14px;
  font-weight: 900;
}

/* ---------- 文章ページ ---------- */
.prose {
  font-size: 17px;
}
.prose h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 25px;
  margin: 40px 0 12px;
  padding-bottom: 6px;
  border-bottom: 3px solid var(--line);
}
.prose h3 {
  font-size: 19px;
  margin: 26px 0 6px;
}
.prose li {
  margin: 4px 0;
}
.prose blockquote {
  margin: 18px 0;
  border-left: 8px solid var(--pop);
  background: var(--card);
  padding: 12px 18px;
  border-radius: 0 12px 12px 0;
  font-weight: 700;
}
.callout {
  background: var(--card);
  border: 2.5px dashed var(--line);
  border-radius: 14px;
  padding: 12px 16px;
  margin: 0 0 20px;
  font-size: 14px;
}
.nf img {
  max-width: 320px;
  border-radius: 20px;
  border: 2.5px solid var(--line);
}
.nf h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 34px;
}

/* ---------- フッター ---------- */
.site-footer {
  margin-top: 40px;
  background: #17142a;
  color: #ece7ff;
  border-top: 3px solid var(--line);
  padding: 34px 0 40px;
  font-size: 14px;
}
.foot-sisters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 28px;
}
.sister-card {
  display: grid;
  gap: 2px;
  text-decoration: none;
  border: 2px solid #ffffff40;
  border-radius: 16px;
  padding: 14px 16px;
  background: #ffffff0d;
  transition: background 0.2s;
}
.sister-card:hover {
  background: #ffffff1c;
}
.sister-card strong {
  font-family: var(--display);
  font-weight: 400;
  font-size: 19px;
  color: #ffe14d;
}
.sc-kotoba strong {
  color: #ff9ad0;
}
.sc-label {
  font-size: 11px;
  font-weight: 900;
  color: #b8b0e0;
}
@media (max-width: 640px) {
  .foot-sisters {
    grid-template-columns: 1fr;
  }
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}
.foot-logo {
  font-family: var(--display);
  font-size: 22px;
  margin: 0;
  color: #fff;
}
.foot-desc {
  color: #c9c2ea;
}
.foot-links {
  list-style: none;
  padding: 0;
  margin: 0;
  columns: 2;
}
.foot-links a {
  text-decoration: none;
  font-weight: 700;
}
.foot-links a:hover {
  color: #ffe14d;
}
.foot-copy {
  margin-top: 24px;
  font-size: 12px;
  color: #a69fcc;
}
@media (max-width: 640px) {
  .foot-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- アニメーション ---------- */
@keyframes wobble {
  0%,
  100% {
    transform: rotate(-6deg);
  }
  50% {
    transform: rotate(6deg);
  }
}
@keyframes pop-q {
  0%,
  80%,
  100% {
    transform: scale(1);
  }
  88% {
    transform: scale(1.35) rotate(8deg);
  }
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(-6deg);
  }
  50% {
    transform: translateY(-14px) rotate(6deg);
  }
}
@keyframes nudge {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}
@keyframes pop-in {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes stamp-in {
  from {
    opacity: 0;
    transform: scale(2.4) rotate(-20deg);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- モーション（トップ） ---------- */
.hero-art {
  position: relative;
}
.roulette {
  position: absolute;
  left: -26px;
  bottom: -22px;
  z-index: 3;
  width: 230px;
  background: #fff7e8;
  color: #2b2b2b;
  border: 3px solid #000;
  border-radius: 18px;
  box-shadow: 6px 6px 0 #000;
  padding: 10px 12px 12px;
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 3px;
  cursor: pointer;
  --rl-rot: -3deg;
  transform: rotate(var(--rl-rot));
}
.rl-label {
  font-size: 11px;
  font-weight: 900;
  background: #e0443a;
  color: #fff;
  border-radius: 999px;
  padding: 0 10px;
  letter-spacing: 0.08em;
}
.rl-img {
  width: 92px;
  height: 92px;
  border-radius: 22px;
  overflow: hidden;
  border: 3px solid #000;
  background: #fff;
}
.rl-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.rl-name,
.rl-claim {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.rl-name {
  font-size: 15px;
  font-weight: 900;
  line-height: 1.35;
  min-height: 2.7em;
  align-content: center;
}
.rl-claim {
  font-size: 12px;
  color: #5e5850;
  line-height: 1.4;
  min-height: 2.8em;
}
.rl-stamp {
  position: absolute;
  right: -18px;
  top: 38px;
  opacity: 0;
}
.roulette.spin .rl-img,
.roulette.spin .rl-name,
.roulette.spin .rl-claim {
  animation: rl-spin 0.9s ease;
}
.roulette.stamped .rl-stamp {
  opacity: 1;
  animation: stamp-in 0.45s cubic-bezier(0.2, 1.6, 0.4, 1) both;
}
.roulette.stamped {
  animation: thud 0.35s ease 0.05s;
}
@keyframes rl-spin {
  0% {
    opacity: 0;
    transform: translateY(-14px) scale(0.92);
    filter: blur(3px);
  }
  60% {
    opacity: 1;
    filter: none;
  }
  100% {
    transform: none;
  }
}
@keyframes thud {
  0%,
  100% {
    transform: rotate(var(--rl-rot));
  }
  40% {
    transform: rotate(var(--rl-rot)) translateY(4px) scale(0.98);
  }
}
/* スマホ：絵に重ねず、絵の下に横長カード（高さ固定でガタつかない） */
@media (max-width: 860px) {
  .hero-art {
    display: flex;
    flex-direction: column;
  }
  .roulette {
    order: 1;
    --rl-rot: -1deg;
    position: relative;
    left: auto;
    bottom: auto;
    width: auto;
    max-width: 460px;
    margin: -26px auto 0;
    height: 96px;
    padding: 14px 14px 10px 12px;
    grid-template-columns: 64px 1fr;
    grid-template-rows: 1fr 1fr;
    column-gap: 12px;
    row-gap: 2px;
    justify-items: start;
    text-align: left;
  }
  .rl-label {
    position: absolute;
    top: -11px;
    left: 14px;
    line-height: 1.7;
  }
  .rl-img {
    grid-column: 1;
    grid-row: 1 / 3;
    align-self: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
  }
  .rl-name {
    grid-column: 2;
    grid-row: 1;
    align-self: end;
    min-height: 0;
    font-size: 15px;
    line-height: 1.3;
  }
  .rl-claim {
    grid-column: 2;
    grid-row: 2;
    align-self: start;
    min-height: 0;
    -webkit-line-clamp: 1;
  }
  .rl-stamp {
    right: 10px;
    top: -22px;
  }
  .rl-stamp .stamp-lg {
    font-size: 17px;
    padding: 2px 10px 1px;
  }
  .hero-inner {
    padding-bottom: 36px;
  }
}

/* 判定速報ティッカー（マジカ!? の速報帯と同じ形） */
.ticker {
  display: flex;
  align-items: center;
  background: #2b2b2b;
  color: #fff;
  border-bottom: 2.5px solid var(--line);
  overflow: hidden;
  font-size: 14px;
  font-weight: 700;
}
.ticker-label {
  flex-shrink: 0;
  background: #e0443a;
  padding: 8px 14px;
  font-weight: 900;
  z-index: 1;
}
.ticker-track {
  overflow: hidden;
  flex: 1;
}
.ticker-move {
  display: flex;
  gap: 28px;
  width: max-content;
  padding: 8px 0 8px 20px;
  animation: ticker 90s linear infinite;
}
.ticker:hover .ticker-move {
  animation-play-state: paused;
}
.ticker a {
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  gap: 8px;
  align-items: center;
}
.ticker .stamp {
  background: #fff;
}
@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

/* スクロールで出てくる */
.motion [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.motion [data-reveal].in {
  opacity: 1;
  transform: none;
}
.motion [data-reveal].in .ecard,
.motion [data-reveal].in .flip,
.motion [data-reveal].in .teaser {
  animation: pop-in 0.5s ease both;
}
.motion [data-reveal].in .ecard:nth-child(2n),
.motion [data-reveal].in .flip:nth-child(2n) {
  animation-delay: 0.08s;
}
.motion [data-reveal].in .ecard:nth-child(3n),
.motion [data-reveal].in .flip:nth-child(3n) {
  animation-delay: 0.16s;
}
.motion .map-teaser circle {
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(0);
}
.motion .map-teaser.in circle {
  animation: dot-pop 0.4s cubic-bezier(0.2, 1.6, 0.4, 1) both;
  animation-delay: var(--d, 0s);
}
@keyframes dot-pop {
  from {
    transform: scale(0);
  }
  to {
    transform: scale(1);
  }
}
.hero-art > img {
  animation: hero-float 6s ease-in-out infinite;
}
@keyframes hero-float {
  0%,
  100% {
    transform: rotate(1.5deg) translateY(0);
  }
  50% {
    transform: rotate(0.5deg) translateY(-8px);
  }
}
@media (max-width: 860px) {
  .hero-art > img {
    animation: none;
  }
}


/* ---------- VSバトル ---------- */
.battle {
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow-lg);
  padding: 20px;
  text-align: center;
  scroll-margin-top: 120px;
}
.vs-streak {
  margin: 0;
  font-weight: 900;
}
.vs-streak b {
  font-family: var(--display);
  font-size: 40px;
  color: var(--red);
}
.vs-streak small {
  color: var(--ink2);
  margin-left: 8px;
}
.vs-q {
  font-family: var(--display);
  font-size: clamp(20px, 4vw, 26px);
  margin: 4px 0 14px;
}
.vs {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: center;
}
.vs-mark {
  font-family: var(--display);
  font-size: 30px;
  color: var(--red);
  transform: rotate(-8deg);
}
.vs-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  border: 3px solid var(--line);
  border-radius: 20px;
  background: var(--paper);
  color: var(--ink-fixed);
  padding: 12px;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
  height: 100%;
}
.vs-card:hover:not([disabled]) {
  transform: translate(-2px, -2px) rotate(-1deg);
  box-shadow: 7px 7px 0 var(--line);
}
.vs-img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 14px;
  overflow: hidden;
  border: 2px solid #2b2b2b;
  background: #fff;
  display: grid;
  place-items: center;
}
.vs-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.vs-card strong {
  font-size: 16px;
  line-height: 1.35;
}
.vs-claim {
  font-size: 12px;
  color: #5e5850;
}
.vs-stamp {
  position: absolute;
  top: 34%;
  left: 50%;
  transform: translateX(-50%);
}
.vs-stamp .stamp {
  animation: stamp-in 0.45s cubic-bezier(0.2, 1.6, 0.4, 1) both;
}
.vs-card.win {
  border-color: var(--v-supported);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--v-supported) 40%, transparent);
}
.vs-card.lose {
  opacity: 0.75;
}
@media (max-width: 560px) {
  .vs {
    grid-template-columns: 1fr 1fr;
  }
  .vs-mark {
    display: none;
  }
  .vs-card strong {
    font-size: 14px;
  }
}
.vs-over .score {
  justify-content: center;
}

/* ---------- おみくじ ---------- */
.omikuji {
  text-align: center;
}
.omikuji-box {
  border: none;
  background: none;
  display: inline-grid;
  justify-items: center;
  gap: 12px;
}
.ob-body {
  position: relative;
  width: 150px;
  height: 230px;
  background: linear-gradient(90deg, #c9302c, #e0443a 40%, #c9302c);
  border: 4px solid #2b2b2b;
  border-radius: 14px 14px 10px 10px;
  box-shadow: 7px 7px 0 #2b2b2b;
  display: grid;
  place-items: center;
}
.ob-hole {
  position: absolute;
  top: -12px;
  width: 30px;
  height: 18px;
  background: #2b2b2b;
  border-radius: 50%;
}
.ob-label {
  background: #fff7e8;
  color: #2b2b2b;
  writing-mode: vertical-rl;
  font-family: var(--display);
  font-size: 22px;
  padding: 12px 6px;
  border: 2px solid #2b2b2b;
  border-radius: 6px;
  line-height: 1.2;
}
.ob-label br {
  display: none;
}
.ob-hint {
  font-weight: 900;
  background: var(--pop);
  color: var(--ink-fixed);
  border-radius: 999px;
  padding: 2px 14px;
  animation: nudge 1.8s ease-in-out infinite;
}
.omikuji-box.shake .ob-body {
  animation: shake 0.9s ease;
}
@keyframes shake {
  0%,
  100% {
    transform: rotate(0);
  }
  15% {
    transform: rotate(-14deg);
  }
  30% {
    transform: rotate(12deg);
  }
  45% {
    transform: rotate(-10deg);
  }
  60% {
    transform: rotate(8deg);
  }
  75% {
    transform: rotate(-4deg) translateY(-6px);
  }
}
.omi-paper {
  background: #fffdf6;
  color: #2b2b2b;
  border: 3px solid #2b2b2b;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: 20px;
  text-align: left;
  animation: pop-in 0.5s ease both;
  background-image: linear-gradient(#e0443a, #e0443a), linear-gradient(#e0443a, #e0443a);
  background-size: 100% 6px;
  background-position: top, bottom;
  background-repeat: no-repeat;
}
.omi-f {
  font-family: var(--display);
  font-size: 64px;
  color: #e0443a;
  text-align: center;
  margin: 0;
  line-height: 1.2;
}
.omi-msg {
  text-align: center;
  font-weight: 900;
  margin: 0 0 14px;
}
.omi-row {
  border-top: 1.5px dashed #2b2b2b66;
  padding: 10px 0;
}
.omi-k {
  display: inline-block;
  font-size: 12px;
  font-weight: 900;
  background: #2b2b2b;
  color: #fff7e8;
  border-radius: 999px;
  padding: 0 10px;
  margin-bottom: 6px;
}
.omi-row a {
  display: flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
}
.omi-lucky img {
  width: 90px;
  height: 90px;
  border-radius: 12px;
  border: 2px solid #2b2b2b;
  object-fit: cover;
}
.omi-tip {
  background: #fff1c2;
  border-radius: 10px;
  padding: 8px 12px;
  margin: 6px 0 0;
  font-size: 14px;
}

.game-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding-top: 0;
}
.game {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
  text-decoration: none;
  border: 3px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.15s;
}
.game:hover {
  transform: translate(-2px, -2px) rotate(-0.5deg);
}
.game strong {
  font-family: var(--display);
  font-weight: 400;
  font-size: 24px;
}
.game > span:nth-of-type(2) {
  font-size: 14px;
  flex: 1;
}
.g-emoji {
  font-size: 38px;
}
.g-battle {
  background: color-mix(in srgb, var(--v-dubious) 12%, var(--card));
}
.g-omikuji {
  background: color-mix(in srgb, var(--v-partial) 18%, var(--card));
}
.g-shindan {
  background: color-mix(in srgb, var(--v-proven) 12%, var(--card));
}
@media (max-width: 760px) {
  .game-row {
    grid-template-columns: 1fr;
  }
}
.list-image {
  margin: 10px auto 30px;
  max-width: 520px;
  text-align: center;
}
.list-image img {
  width: 100%;
  border: 3px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}
.list-image figcaption {
  font-size: 13px;
  color: var(--ink2);
  margin-top: 8px;
}


/* ---------- 脳ハック特集 ---------- */
.tondemo-banner {
  display: grid;
  gap: 10px;
  justify-items: start;
  text-decoration: none;
  color: #fff;
  border: 3px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  background: radial-gradient(600px 300px at 90% 10%, #7b3fe4 0%, transparent 60%), radial-gradient(500px 300px at 0% 100%, #e0443a 0%, transparent 60%), #17142a;
}
.kids-banner {
  background: radial-gradient(600px 300px at 90% 10%, #2e9e5b 0%, transparent 60%), radial-gradient(500px 300px at 0% 100%, #f07f1a 0%, transparent 60%), #14281d;
}
.page-kids .principles {
  margin: 8px 0 24px;
}
.page-kids .ygrid {
  margin-bottom: 32px;
}
.tondemo-banner strong {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(20px, 3.6vw, 30px);
  line-height: 1.35;
}
.tb-kicker {
  background: #ffe14d;
  color: #2b2b2b;
  font-weight: 900;
  font-size: 12px;
  border-radius: 999px;
  padding: 1px 12px;
}
.tb-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tb-chips > span {
  background: #ffffff14;
  border: 1.5px solid #ffffff40;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 13px;
  font-weight: 700;
}
.tb-chips .stamp {
  background: #fff;
}
.tcards {
  display: grid;
  gap: 22px;
  margin: 16px 0 30px;
}
.tcard {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 20px;
  background: var(--card);
  border: 3px solid var(--line);
  border-left: 12px solid var(--v);
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  padding: 18px;
  scroll-margin-top: 130px;
}
.tcard-img {
  position: relative;
  aspect-ratio: 1;
  border-radius: 16px;
  overflow: hidden;
  border: 2.5px solid var(--line);
  background: var(--paper);
  display: grid;
  place-items: center;
}
.tcard-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tcard-no {
  position: absolute;
  left: 8px;
  top: 6px;
  font-family: var(--display);
  font-size: 30px;
  color: #fff;
  -webkit-text-stroke: 2px #2b2b2b;
}
.tcard h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 26px;
  margin: 6px 0 2px;
}
.tcard h2 a {
  text-decoration: none;
}
.tcard p {
  margin: 0 0 8px;
}
.tcard-claim {
  font-weight: 700;
  color: var(--ink2);
}
.tcard-hook {
  font-family: var(--display);
  font-size: 19px;
  line-height: 1.45;
  color: var(--v);
}
.tcard-better {
  background: color-mix(in srgb, var(--v-supported) 10%, var(--card));
  border-radius: 12px;
  padding: 8px 12px;
}
@media (max-width: 640px) {
  .tcard {
    grid-template-columns: 1fr;
  }
  .tcard-img {
    max-width: 260px;
  }
}


/* ---------- ハンバーガーメニュー ---------- */
.burger {
  display: grid;
  gap: 4px;
  width: 20px;
}
.burger i {
  display: block;
  height: 2.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.25s, opacity 0.2s;
}
.menu-open .burger i:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.menu-open .burger i:nth-child(2) {
  opacity: 0;
}
.menu-open .burger i:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}
.drawer-bg {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: #000a;
  backdrop-filter: blur(2px);
}
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  width: min(380px, 88vw);
  overflow-y: auto;
  background: var(--bg);
  border-left: 3px solid var(--line);
  box-shadow: -8px 0 0 var(--line);
  padding: 14px 16px 30px;
  transform: translateX(105%);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.drawer.open {
  transform: none;
}
.drawer-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.drawer-head strong {
  font-family: var(--display);
  font-weight: 400;
  font-size: 22px;
}
.drawer-label {
  font-size: 12px;
  font-weight: 900;
  color: var(--ink2);
  margin: 16px 0 6px;
  letter-spacing: 0.1em;
}
.drawer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.drawer-grid a,
.drawer-top {
  display: block;
  text-decoration: none;
  font-weight: 900;
  font-size: 14px;
  border: 2px solid var(--line);
  border-radius: 12px;
  padding: 9px 10px;
  background: var(--card);
  box-shadow: 2px 2px 0 var(--line);
}
.drawer-grid a:hover,
.drawer-top:hover {
  background: var(--pop);
  color: var(--ink-fixed);
}
.drawer-search {
  display: flex;
  gap: 6px;
  margin-top: 16px;
}
.drawer-search input {
  flex: 1;
  min-width: 0;
  font: inherit;
  border: 2px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  background: var(--card);
  color: var(--ink);
}
.drawer-search .btn {
  padding: 8px 12px;
}
.drawer-about {
  display: block;
  margin-top: 18px;
  font-size: 13px;
  font-weight: 700;
}
.menu-open {
  overflow: hidden;
}

/* ---------- 上に戻る ---------- */
.to-top {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 60;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 3px solid var(--ink-fixed);
  background: var(--red);
  color: #fff;
  box-shadow: 4px 4px 0 var(--ink-fixed);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0;
  font-size: 10px;
  font-weight: 900;
  opacity: 0;
  transform: translateY(20px) scale(0.6);
  pointer-events: none;
  transition: opacity 0.25s, transform 0.35s cubic-bezier(0.2, 1.6, 0.4, 1);
}
.to-top.show {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.to-top:hover {
  transform: translateY(-4px);
}
.to-top svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.page-shindan .to-top {
  bottom: 96px;
}


/* ---------- 講義（コンパクト版） ---------- */
.lec-uroko {
  border: 3px solid var(--pop);
  background: color-mix(in srgb, var(--pop) 14%, var(--card));
}
.lec-uroko ul {
  margin: 0;
  padding-left: 1.2em;
  font-weight: 700;
}
.lec-uroko li {
  margin: 4px 0;
}
.lec-myth {
  border-left: 8px solid var(--red);
}
.lec-better ol {
  margin: 0;
  padding-left: 1.4em;
  font-weight: 700;
}
.lec-today {
  margin: 0 0 12px;
  font-weight: 900;
  background: var(--ink);
  color: var(--bg);
  border-radius: 14px;
  padding: 10px 14px;
}
.lec-today span {
  display: inline-block;
  background: var(--red);
  color: #fff;
  border-radius: 999px;
  font-size: 11px;
  padding: 1px 10px;
  margin-right: 8px;
}
.lec-folds {
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
}
.lec-fold {
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 12px;
}
.lec-fold summary {
  cursor: pointer;
  font-weight: 900;
  padding: 9px 14px;
  list-style: none;
  position: relative;
  padding-right: 34px;
}
.lec-fold summary::-webkit-details-marker {
  display: none;
}
.lec-fold summary::after {
  content: '＋';
  position: absolute;
  right: 12px;
  top: 8px;
  font-weight: 900;
}
.lec-fold[open] summary::after {
  content: '－';
}
.lec-fold-body {
  padding: 0 14px 12px;
}
.lec-fold-body p,
.lec-fold-body ol {
  margin: 0;
}

/* ---------- カテゴリナビ：スマホは折り返し＋「もっと」 ---------- */
.cn-more {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 900;
  padding: 3px 11px;
  border-radius: 999px;
  border: 2px solid var(--line);
  background: var(--pop);
  color: var(--ink-fixed);
  display: none;
}
@media (max-width: 1080px) {
  .cat-nav-inner {
    gap: 4px 4px;
    padding: 6px 0;
  }
  .cat-nav a.cn-extra {
    display: none;
  }
  .cn-more {
    display: inline-block;
  }
  .cat-nav a {
    padding: 2px 9px;
    font-size: 12.5px;
  }
}

/* スマホ：カテゴリナビは1行の横スクロール（固定ヘッダーが画面を食わないように） */
@media (max-width: 760px) {
  .header-inner {
    height: 56px;
  }
  .cat-nav-inner {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    padding: 5px 16px 6px;
    margin: 0;
    max-width: none;
    -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent);
    mask-image: linear-gradient(90deg, #000 85%, transparent);
  }
  .cat-nav-inner::-webkit-scrollbar {
    display: none;
  }
  .cat-nav a.cn-extra {
    display: inline-block;
  }
  .cn-more {
    display: none;
  }
  .cat-nav a {
    white-space: nowrap;
  }
}

/* ---------- スマホでコンパクトに ---------- */
@media (max-width: 560px) {
  .section {
    padding: 22px 0;
  }
  .sec-title {
    font-size: 21px;
    margin: 14px 0 4px;
  }
  .sec-lead {
    font-size: 14px;
    margin-bottom: 12px;
  }
  .flip-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .flip {
    min-height: 228px;
  }
  .flip-front,
  .flip-back {
    padding: 10px 8px;
    gap: 4px;
  }
  .flip-img {
    width: 92px;
    height: 92px;
    border-radius: 10px;
  }
  .flip strong {
    font-size: 13.5px;
  }
  .flip-claim {
    font-size: 11px;
    line-height: 1.4;
  }
  .flip-hint {
    font-size: 10px;
    padding: 1px 8px;
  }
  .flip-why {
    font-size: 12px;
    line-height: 1.55;
    margin-top: 4px;
  }
  .flip-back .stamp-lg {
    font-size: 16px;
  }
  .vcol {
    padding: 10px 12px;
  }
  .vcol ul {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    list-style: none;
    padding: 0;
    font-size: 12.5px;
    line-height: 1.5;
  }
  .vcol li a {
    display: inline-block;
    text-decoration: none;
    border: 1.5px solid color-mix(in srgb, var(--line) 50%, transparent);
    border-radius: 999px;
    padding: 1px 9px;
    background: var(--bg);
  }
  .page-top .egrid .ecard:nth-child(n + 5) {
    display: none;
  }
  .game-row,
  .three-teasers,
  .two-banners {
    gap: 10px;
  }
  .game,
  .teaser,
  .banner {
    padding: 12px 14px;
  }
  .game {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 10px;
    align-items: center;
  }
  .game .g-emoji {
    grid-row: span 2;
    font-size: 30px;
  }
  .game strong {
    font-size: 19px;
  }
  .game > span:nth-of-type(2) {
    font-size: 12px;
  }
  .game .btn {
    display: none;
  }
  .teaser strong,
  .banner strong {
    font-size: 16px;
  }
  .teaser span:last-child,
  .banner span span {
    font-size: 12px;
  }
  .t-emoji {
    font-size: 26px;
  }
  .legend-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  .legend {
    padding: 8px 6px;
  }
  .legend .badge {
    width: 40px;
    height: 40px;
  }
  .legend p {
    display: none;
  }
  .legend-n {
    position: static;
    display: block;
    margin-top: 4px;
  }
  .page-head-img img {
    height: 120px;
  }
  .page-head-text {
    padding: 16px 0 18px;
  }
  .lead {
    font-size: 14px;
  }
  .quiz-banner img {
    min-height: 0;
    max-height: 150px;
  }
  .qb-text {
    padding: 14px 16px;
  }
  .tondemo-banner {
    padding: 16px;
  }
  .tb-chips > span:nth-child(n + 5) {
    display: none;
  }
  .box {
    padding: 14px 16px;
  }
  .lecture {
    padding: 6px 12px 12px;
  }
  .entry-main {
    padding-top: 26px;
  }
}


.lang-tips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
@media (max-width: 760px) {
  .lang-tips {
    grid-template-columns: 1fr;
  }
}
.lang-sec {
  scroll-margin-top: 130px;
}

.papers-fold {
  margin-top: 6px;
}
.papers-fold .papers li + li {
  margin-top: 8px;
}

/* ---------- タイプ診断 ---------- */
.match-types {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin: 0 0 16px;
}
.match-types span {
  font-size: 12.5px;
  font-weight: 900;
  border: 2px solid var(--line);
  border-radius: 999px;
  padding: 2px 10px;
  background: var(--bg);
}
.m-opts {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}
.m-opts .btn {
  justify-content: flex-start;
  text-align: left;
  font-size: 16px;
}
.match-catch {
  font-weight: 900;
  color: var(--red);
  margin: 0 0 6px;
}
.week {
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px 14px 2.2em;
  font-weight: 700;
  box-shadow: var(--shadow);
}
.week li {
  margin: 4px 0;
}
.other-types {
  margin: 0;
  padding-left: 1.2em;
  font-size: 14px;
}
.g-match {
  background: color-mix(in srgb, var(--v-supported) 12%, var(--card));
}


/* ---------- 読みもの ---------- */
.ygrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.ycard {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: 18px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}
.ycard:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--line);
}
.y-emoji {
  font-size: 30px;
}
.ycard strong {
  font-family: var(--display);
  font-weight: 400;
  font-size: 19px;
  line-height: 1.4;
}
.y-lead {
  font-size: 13.5px;
  color: var(--ink2);
  flex: 1;
}
.y-time {
  font-size: 12px;
  font-weight: 900;
  color: var(--red);
}
.yomi-head {
  padding: 22px 0 6px;
}
.yomi-head h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(26px, 5.4vw, 40px);
  line-height: 1.3;
  margin: 10px 0;
}
.yomi-meta {
  font-size: 13px;
  color: var(--ink2);
}
.yomi-body {
  padding-bottom: 20px;
}
.yomi-body p {
  margin: 0 0 1.2em;
}
.tease {
  margin-top: 26px;
}
.tease-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 560px) {
  .tease-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .tease-grid .flip:nth-child(3) {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ---------- バズる一言・レクチャー ---------- */
.entry-hook {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.45;
  margin: 0 0 14px;
  padding: 10px 14px 10px 16px;
  border-left: 8px solid var(--v);
  background: color-mix(in srgb, var(--v) 12%, var(--card));
  border-radius: 0 14px 14px 0;
}
.lecture {
  border: 3px solid var(--line);
  border-radius: 22px;
  background: var(--bg2);
  padding: 8px 18px 18px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.lecture-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: 22px;
  margin: 10px 0 12px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.lec {
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 14px;
  padding: 10px 16px;
  margin-bottom: 12px;
}
.lec h3 {
  font-size: 16px;
  margin: 2px 0 4px;
}
.lec p {
  margin: 0;
}
.lec ol {
  margin: 0;
  padding-left: 1.4em;
  font-weight: 700;
}
.lec-better {
  border-color: var(--v-supported);
  border-width: 3px;
  background: color-mix(in srgb, var(--v-supported) 8%, var(--card));
}
.lec-sci {
  border-left: 8px solid var(--v-proven);
}
.aruaru {
  margin: 4px 0 0;
  font-weight: 700;
  font-size: 15px;
}
.aruaru span {
  display: inline-block;
  font-size: 11px;
  font-weight: 900;
  background: var(--pop);
  color: var(--ink-fixed);
  border-radius: 999px;
  padding: 1px 9px;
  margin-right: 8px;
}
.btn-line {
  background: #06c755;
  color: #fff;
  border-color: #000;
}
.btn-copy.done {
  background: var(--v-supported);
  color: #fff;
}

/* ---------- トップのバナー ---------- */
.two-banners {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding-bottom: 0;
}
.banner {
  display: flex;
  gap: 14px;
  align-items: center;
  text-decoration: none;
  border: 3px solid var(--line);
  border-radius: 22px;
  padding: 18px 20px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.15s, box-shadow 0.15s;
}
.banner:hover {
  transform: translate(-2px, -2px);
}
.banner > span:last-child {
  display: grid;
  gap: 4px;
}
.banner strong {
  font-family: var(--display);
  font-weight: 400;
  font-size: 21px;
  line-height: 1.3;
}
.banner span span {
  font-size: 14px;
}
.b-lecture {
  background: #17142a;
  color: #fff;
}
.b-lecture strong {
  color: #ffe14d;
}
.b-ranking {
  background: var(--pop);
  color: var(--ink-fixed);
}
@media (max-width: 760px) {
  .two-banners {
    grid-template-columns: 1fr;
  }
}

/* ---------- 講座 ---------- */
.signs {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}
.sign {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: 18px;
  padding: 14px 18px;
  box-shadow: var(--shadow);
}
.sign-no {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 26px;
  border: 2.5px solid var(--ink-fixed);
}
.sign-phrase {
  font-family: var(--display);
  font-size: 20px;
  margin: 0;
  color: var(--red);
}
.sign h3 {
  margin: 2px 0 4px;
  font-size: 15px;
}
.sign p {
  margin: 0 0 4px;
}
.sign-ex {
  font-size: 13px;
  font-weight: 700;
}
.principles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.principle {
  background: color-mix(in srgb, var(--v-supported) 10%, var(--card));
  border: 2.5px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  box-shadow: var(--shadow);
}
.principle strong {
  display: block;
  font-family: var(--display);
  font-weight: 400;
  font-size: 22px;
}
.principle p {
  margin: 4px 0;
}
.p-no {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--v-supported);
  color: #fff;
  font-weight: 900;
}
.convert {
  display: grid;
  gap: 12px;
}
.conv {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: center;
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: 18px;
  padding: 12px 14px;
}
.conv p {
  margin: 0;
  font-weight: 900;
}
.conv-from span,
.conv-to span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink2);
}
.conv-from {
  color: var(--ink2);
  text-decoration: line-through;
  text-decoration-color: var(--red);
  text-decoration-thickness: 2px;
}
.conv-from span {
  text-decoration: none;
}
.conv-arrow {
  font-family: var(--display);
  font-size: 28px;
  color: var(--red);
}
.conv-links {
  grid-column: 1 / -1;
}
@media (max-width: 560px) {
  .conv {
    grid-template-columns: 1fr;
  }
  .conv-arrow {
    transform: rotate(90deg);
    justify-self: center;
  }
}

/* ---------- ランキング ---------- */
.rank-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.rank-toc a {
  border: 2px solid var(--line);
  border-radius: 999px;
  padding: 3px 12px;
  font-weight: 900;
  font-size: 13px;
  text-decoration: none;
  background: var(--card);
}
.rank-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}
.rank-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 10px;
  align-items: center;
}
.rank-no {
  font-family: var(--display);
  font-size: 30px;
  text-align: center;
  color: var(--ink2);
}
.rank-no.r1 {
  color: #d4a300;
  font-size: 42px;
}
.rank-no.r2 {
  color: #8f9aa6;
  font-size: 38px;
}
.rank-no.r3 {
  color: #b46a35;
  font-size: 36px;
}
.rank-link {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 14px;
  align-items: center;
  text-decoration: none;
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: 16px;
  padding: 10px;
  box-shadow: var(--shadow);
  transition: transform 0.15s;
}
.rank-link:hover {
  transform: translate(-2px, -2px);
}
.rank-img {
  width: 96px;
  height: 96px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--paper);
  display: grid;
  place-items: center;
  border: 2px solid var(--line);
}
.rank-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.rank-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
}
.rank-body strong {
  font-size: 17px;
  line-height: 1.4;
}
.rank-hook {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink2);
}
.ranking {
  margin-bottom: 30px;
}
@media (max-width: 520px) {
  .stats {
    flex-wrap: nowrap;
    gap: 6px;
  }
  .stats li {
    flex: 1 1 0;
    min-width: 0;
    padding: 6px 8px;
  }
  .stats b {
    font-size: 22px;
  }
  .stats span {
    font-size: 10px;
  }
}

/* ---------- 海外の学習法 ---------- */
.sub-head {
  font-size: 17px;
  font-weight: 900;
  margin: 22px 0 12px;
}
.v-summary {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.v-summary li {
  background: var(--card);
  border: 2.5px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  font-size: 13px;
}
.v-summary b {
  font-family: var(--display);
  font-size: 26px;
  line-height: 1.1;
}
.jump {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.jump a {
  border: 2px solid var(--line);
  border-radius: 999px;
  padding: 5px 14px;
  font-weight: 900;
  font-size: 14px;
  text-decoration: none;
  background: var(--card);
}
.page-world .theme .flag {
  width: 56px;
  text-align: center;
}
@media (max-width: 760px) {
  .v-summary {
    gap: 6px;
  }
  .v-summary li {
    padding: 7px 2px;
    font-size: 11px;
  }
  .v-summary .stamp {
    font-size: 10px;
    padding-inline: 4px;
  }
  .v-summary b {
    font-size: 20px;
  }
  .sub-head {
    font-size: 15px;
  }
  .jump a {
    font-size: 13px;
    padding: 4px 11px;
  }
}
.more-fold > summary {
  list-style: none;
  text-align: center;
  margin: 16px 0 4px;
  cursor: pointer;
}
.more-fold > summary::-webkit-details-marker {
  display: none;
}
.more-fold[open] > summary {
  display: none;
}
.more-fold .egrid {
  margin-top: 16px;
}
.page-world section[id] {
  scroll-margin-top: 140px;
}

/* ---------- 用語ミニ辞典（研究用語をタップすると説明が開く。scripts/lib/glossary.mjs） ---------- */
.term-btn,
.term-demo {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  cursor: help;
  text-decoration: underline dotted var(--blue);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25em;
}
.term-btn:hover,
.term-btn[aria-expanded='true'] {
  background: color-mix(in srgb, var(--blue) 12%, transparent);
  border-radius: 4px;
}
.term-btn:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: 4px;
}
.term-tip:not([hidden]) {
  display: block;
  margin: 0.4em 0 0.6em;
  padding: 0.55em 0.8em;
  font-size: 0.88em;
  line-height: 1.7;
  font-weight: 500;
  color: var(--ink);
  background: var(--card);
  border: 2px solid var(--line);
  border-left: 6px solid var(--blue);
  border-radius: var(--r-sm);
  text-align: left;
}
.term-tip::before {
  content: '用語';
  display: inline-block;
  margin-right: 0.5em;
  padding: 0 0.45em;
  font-size: 0.8em;
  font-weight: 700;
  color: #fff;
  background: var(--blue);
  border-radius: 4px;
}
.glossary {
  display: grid;
  gap: 0.6rem;
  margin: 1rem 0 0;
}
.glossary div {
  padding: 0.7rem 0.9rem;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: var(--r-sm);
}
.glossary dt {
  font-weight: 700;
  color: var(--blue);
}
.glossary dd {
  margin: 0.2rem 0 0;
  line-height: 1.7;
}
@media (min-width: 720px) {
  .glossary {
    grid-template-columns: 1fr 1fr;
  }
}

/* 第二外国語：国旗イラスト（絵文字の国旗は Windows で「KR」と文字になるため） */
.lang-flag {
  display: inline-block;
  width: 1.15em;
  height: 1.15em;
  border-radius: 0.22em;
  border: 2px solid var(--line);
  background: #fff7e8;
  vertical-align: -0.2em;
}