/* /learning-methods（英語学習の地図）専用 CSS。docs/learning-methods-page-mock.html の <style> を移したもの。
   公開ナビと監修カードは static/css/public_pages.css（hx-pnav-* / hx-sup-*）にある。
   ナビは sticky で流れの中にあるため、モックの fixed ナビ前提だった .hero の上余白は 68px 分だけ減らしている。 */
:root {
  --blue: #2b6bf2;
  --cyan: #00d4ff;
  --teal: #0abfb0;
  --navy: #0b1528;
  --midnight: #111d35;
  --surface: #172641;
  --surface-2: #1a2b49;
  --white: #f2f6fb;
  --text: #c0ccdc;
  --muted: #8495af;
  --coral: #ff6b5a;
  --amber: #ffb347;
  --violet: #a78bfa;
  --emerald: #34d399;
  --line: rgba(132, 165, 207, .15);
  --line-strong: rgba(132, 165, 207, .25);
  --shadow: 0 26px 70px rgba(1, 8, 20, .34);
  --radius: 22px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; font-size: clamp(16px, 15px + 0.2vw, 19px); } /* 高解像度でも小さくなりすぎない: rem 全体を画面幅で 16→19px に */
body {
  margin: 0;
  min-width: 320px;
  color: var(--white);
  background:
    radial-gradient(circle at 4% 6%, rgba(43, 107, 242, .12), transparent 31rem),
    radial-gradient(circle at 94% 32%, rgba(0, 212, 255, .07), transparent 28rem),
    var(--navy);
  font-family: "DM Sans", "Noto Sans JP", "Yu Gothic UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { color: #fff; }
button, input, select { font: inherit; }
button { color: inherit; }
p, li { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; }
img, svg, canvas { max-width: 100%; }
:focus-visible { outline: 3px solid rgba(0, 212, 255, .72); outline-offset: 3px; }

.skip-link {
  position: fixed; z-index: 999; top: .7rem; left: .7rem;
  padding: .7rem 1rem; border-radius: 9px;
  color: var(--navy); background: var(--white);
  transform: translateY(-150%); transition: transform .2s;
}
.skip-link:focus { transform: translateY(0); }
.ambient {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden;
}
.ambient::before, .ambient::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(120px); opacity: .08;
}
.ambient::before { width: 38rem; height: 38rem; top: 34%; left: -18rem; background: var(--teal); }
.ambient::after { width: 34rem; height: 34rem; right: -15rem; bottom: 8%; background: var(--violet); }

.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 7.2rem 0; scroll-margin-top: 86px; }
.section.compact { padding: 5rem 0; }
.divider {
  width: min(1180px, calc(100% - 40px)); height: 1px; margin-inline: auto;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, .18), transparent);
}
.eyebrow {
  margin-bottom: .85rem; color: var(--cyan);
  font: 600 .7rem/1 Outfit, sans-serif; letter-spacing: .32em; text-transform: uppercase;
}
.section-title {
  max-width: 900px; margin: 0;
  font: 700 clamp(2rem, 4.6vw, 3.65rem)/1.28 Outfit, "Noto Sans JP", sans-serif;
  letter-spacing: -.035em; line-break: strict; overflow-wrap: anywhere;
}
.title-line { display: block; }
.keep { display: inline-block; white-space: nowrap; }
.section-lead {
  max-width: 720px; margin: 1.35rem 0 0;
  color: var(--text); font-size: 1rem; line-height: 2;
}
.gradient-text {
  background: linear-gradient(130deg, #fff 4%, var(--cyan) 53%, var(--teal));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tiny-note { color: var(--muted); font-size: .76rem; line-height: 1.8; }
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }


.hero { min-height: 94vh; padding: 5rem 0 6.5rem; display: grid; align-items: center; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(430px, .96fr); gap: clamp(3rem, 7vw, 6.8rem); align-items: center; }
.hero h1 {
  max-width: 760px; margin: 0;
  font: 800 clamp(2.8rem, 6.1vw, 3.9rem)/1.17 Outfit, "Noto Sans JP", sans-serif;
  letter-spacing: -.052em; line-break: strict; word-break: keep-all; overflow-wrap: normal;
}
.hero-position {
  margin: 1.6rem 0 .65rem; color: var(--cyan);
  font: 600 clamp(1rem, 2vw, 1.18rem)/1.7 Outfit, "Noto Sans JP", sans-serif;
}
.hero-copy { max-width: 650px; margin: 0; color: var(--text); font-size: .98rem; line-height: 2; }
.hero-copy strong { color: var(--white); font-weight: 600; }
.hero-actions { margin-top: 2.15rem; display: flex; flex-wrap: wrap; gap: .85rem; }
.button-primary, .button-secondary {
  min-height: 50px; padding: .8rem 1.45rem; display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  border-radius: 11px; font-weight: 600; transition: transform .2s, box-shadow .2s, border-color .2s;
}
.button-primary { color: #fff; background: var(--blue); }
.button-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 9px 30px rgba(43, 107, 242, .38); }
.button-secondary { border: 1px solid rgba(0, 212, 255, .48); color: var(--cyan); background: rgba(0, 212, 255, .035); }
.button-secondary:hover { color: #fff; transform: translateY(-2px); border-color: var(--cyan); }
.hero-meta { margin-top: 2.1rem; display: flex; flex-wrap: wrap; gap: .55rem; }
.hero-meta span {
  padding: .38rem .64rem; border: 1px solid var(--line); border-radius: 7px;
  color: var(--muted); font-size: .68rem;
}

.conversation-map {
  position: relative; min-height: 35.6rem; /* 570px 相当。root サイズに追従 */ padding: 2rem;
  border: 1px solid rgba(0, 212, 255, .13); border-radius: 36px;
  background:
    radial-gradient(circle at 50% 42%, rgba(0, 212, 255, .12), transparent 31%),
    linear-gradient(150deg, rgba(26, 43, 73, .9), rgba(8, 18, 35, .82));
  box-shadow: var(--shadow); overflow: hidden;
}
.conversation-map::before {
  content: ""; position: absolute; width: 340px; height: 340px; left: 50%; top: 41%; transform: translate(-50%, -50%);
  border: 1px dashed rgba(0, 212, 255, .21); border-radius: 50%;
  animation: orbit 35s linear infinite;
}
.conversation-map::after {
  content: ""; position: absolute; width: 238px; height: 238px; left: 50%; top: 41%; transform: translate(-50%, -50%);
  border: 1px solid rgba(43, 107, 242, .22); border-radius: 50%;
  box-shadow: 0 0 70px rgba(0, 212, 255, .07) inset;
}
@keyframes orbit { to { transform: translate(-50%, -50%) rotate(360deg); } }
.map-caption {
  position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between;
  color: var(--muted); font: 600 .68rem Outfit, sans-serif; letter-spacing: .15em; text-transform: uppercase;
}
.map-caption b { color: var(--cyan); font-weight: 600; }
.map-node {
  position: absolute; z-index: 3; min-width: 118px; padding: .8rem .9rem;
  border: 1px solid var(--line); border-radius: 13px; text-align: center;
  background: rgba(17, 29, 53, .94); box-shadow: 0 10px 30px rgba(0, 5, 14, .24);
}
.map-node small { display: block; color: var(--muted); font: 600 .62rem Outfit, sans-serif; letter-spacing: .12em; }
.map-node strong { display: block; margin-top: .22rem; font-size: .86rem; }
.node-input { top: 17%; left: 50%; transform: translateX(-50%); }
.node-listen { top: 38%; left: 6%; }
.node-speak { top: 38%; right: 6%; }
.node-reflect { top: 57%; left: 50%; transform: translateX(-50%); }
.conversation-core {
  position: absolute; z-index: 4; width: 166px; height: 166px; left: 50%; top: 41%; transform: translate(-50%, -50%);
  display: grid; place-content: center; border: 1px solid rgba(0, 212, 255, .35); border-radius: 50%;
  text-align: center; background: radial-gradient(circle, rgba(43, 107, 242, .36), rgba(10, 25, 48, .96));
  box-shadow: 0 0 54px rgba(0, 212, 255, .13);
}
.conversation-core small { color: var(--cyan); font: 600 .62rem Outfit, sans-serif; letter-spacing: .14em; }
.conversation-core strong { margin-top: .35rem; font: 700 1.12rem/1.45 Outfit, "Noto Sans JP", sans-serif; }
.conversation-core span { margin-top: .3rem; color: #a8bdd7; font-size: .65rem; }
.foundation-rail {
  position: absolute; z-index: 4; inset: auto 2rem 2rem;
  padding: 1.05rem; border: 1px solid rgba(255, 179, 71, .18); border-radius: 15px;
  background: rgba(8, 18, 35, .88);
}
.foundation-rail > small { display: block; margin-bottom: .65rem; color: var(--amber); font: 600 .62rem Outfit, sans-serif; letter-spacing: .14em; }
.foundation-items { display: grid; grid-template-columns: repeat(3, 1fr); gap: .55rem; }
.foundation-items span { padding: .62rem .45rem; border-radius: 8px; color: var(--text); background: rgba(255, 255, 255, .035); font-size: .75rem; text-align: center; }
.foundation-items span:first-child { color: var(--cyan); background: rgba(0, 212, 255, .08); }
.map-thesis {
  position: absolute; z-index: 4; left: 50%; top: 70%; width: calc(100% - 4rem); transform: translateX(-50%);
  margin: 0; color: #a9b9ce; font-size: .78rem; line-height: 1.65; text-align: center;
}

.quad { margin-top: 3rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; counter-reset: concept; }
.concept-card {
  min-width: 0; min-height: 220px; padding: 1.5rem;
  border: 1px solid var(--line); border-radius: 17px; background: rgba(17, 29, 53, .74);
}
.concept-card::before {
  counter-increment: concept; content: "0" counter(concept);
  color: var(--cyan); font: 600 .62rem Outfit, sans-serif; letter-spacing: .12em;
}
.concept-card h3 { margin: 1rem 0 .65rem; font: 700 1.05rem/1.5 Outfit, "Noto Sans JP", sans-serif; }
.concept-card p { margin: 0; color: var(--muted); font-size: .84rem; line-height: 1.8; }
.concept-card .example { display: block; margin-top: .8rem; color: #bdcada; font-size: .78rem; }
.key-message {
  margin-top: 1.25rem; padding: 1.25rem 1.4rem; display: flex; align-items: flex-start; gap: .9rem;
  border: 1px solid rgba(0, 212, 255, .18); border-radius: 14px; background: rgba(0, 212, 255, .045);
}
.key-message b { color: var(--cyan); font: 700 .72rem Outfit, sans-serif; letter-spacing: .12em; flex: 0 0 auto; }
.key-message p { margin: 0; color: var(--text); font-size: .82rem; line-height: 1.8; }

.system-map { margin-top: 3rem; padding: 2rem; border: 1px solid var(--line); border-radius: 26px; background: rgba(8, 18, 35, .64); }
.map-goal {
  width: min(560px, 100%); margin: 0 auto 1rem; padding: 1rem 1.3rem;
  border: 1px solid rgba(255, 179, 71, .28); border-radius: 15px;
  background: rgba(255, 179, 71, .07); text-align: center;
}
.map-goal small { display: block; color: var(--amber); font: 600 .58rem Outfit, sans-serif; letter-spacing: .15em; }
.map-goal strong { display: block; margin-top: .35rem; font-size: 1rem; }
.map-arrow { height: 22px; display: grid; place-items: center; color: #657a97; }
.interaction-band {
  padding: 1.35rem; display: grid; grid-template-columns: 1fr 1.15fr 1fr; gap: 1rem;
  border: 1px solid rgba(43, 107, 242, .23); border-radius: 18px;
  background: linear-gradient(135deg, rgba(43, 107, 242, .11), rgba(0, 212, 255, .04));
}
.interaction-band > div { min-width: 0; padding: 1rem; border-radius: 12px; background: rgba(8, 18, 35, .63); text-align: center; }
.interaction-band .interaction-center { border: 1px solid rgba(0, 212, 255, .17); background: rgba(0, 212, 255, .045); }
.interaction-band small { color: var(--muted); font: 600 .56rem Outfit, sans-serif; letter-spacing: .12em; }
.interaction-band strong { display: block; margin-top: .3rem; font-size: .84rem; line-height: 1.55; }
.skills-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.skill-cell { padding: 1.1rem; border: 1px solid var(--line); border-radius: 13px; background: rgba(17, 29, 53, .72); }
.skill-cell b { color: var(--skill-color); font: 700 .68rem Outfit, sans-serif; letter-spacing: .08em; }
.skill-cell strong { display: block; margin: .35rem 0 .4rem; font-size: .86rem; }
.skill-cell p { margin: 0; color: var(--muted); font-size: .68rem; line-height: 1.65; }
.base-grid { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: .8rem; }
.base-cell { padding: 1.15rem; border: 1px solid var(--line); border-radius: 13px; background: rgba(17, 29, 53, .72); }
.base-cell.sound { border-color: rgba(0, 212, 255, .26); background: rgba(0, 212, 255, .055); }
.base-cell small { color: var(--muted); font: 600 .55rem Outfit, sans-serif; letter-spacing: .12em; }
.base-cell strong { display: block; margin: .35rem 0; font-size: .83rem; }
.base-cell p { margin: 0; color: var(--muted); font-size: .67rem; line-height: 1.65; }
.cross-band { margin-top: .8rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; }
.cross-band span { padding: .75rem; border: 1px dashed rgba(167, 139, 250, .22); border-radius: 11px; color: #b9c5d6; font-size: .7rem; text-align: center; }
.map-legend { margin: 1rem 0 0; color: var(--muted); font-size: .7rem; line-height: 1.7; text-align: center; }

.diagnosis-layout { margin-top: 3rem; display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 1rem; align-items: stretch; }
.issue-list { padding: .7rem; display: grid; gap: .45rem; border: 1px solid var(--line); border-radius: 18px; background: rgba(17, 29, 53, .66); }
.issue-button {
  min-height: 54px; padding: .8rem .9rem; display: grid; grid-template-columns: 30px 1fr; gap: .65rem; align-items: center;
  border: 1px solid transparent; border-radius: 11px; color: var(--text); background: transparent; text-align: left;
  cursor: pointer; transition: border-color .2s, background .2s, color .2s;
}
.issue-button:hover { background: rgba(255, 255, 255, .035); }
.issue-button[aria-pressed="true"] { color: var(--white); border-color: rgba(0, 212, 255, .24); background: rgba(0, 212, 255, .075); }
.issue-index { color: var(--cyan); font: 600 .62rem Outfit, sans-serif; letter-spacing: .08em; }
.issue-button span:last-child { font-size: .77rem; line-height: 1.55; }
.diagnosis-result {
  min-width: 0; padding: clamp(1.6rem, 4vw, 2.5rem);
  border: 1px solid rgba(0, 212, 255, .19); border-radius: 18px;
  background: linear-gradient(145deg, rgba(26, 43, 73, .93), rgba(9, 19, 36, .9));
}
.result-kicker { color: var(--cyan); font: 600 .62rem Outfit, sans-serif; letter-spacing: .16em; }
.diagnosis-result h3 { margin: .7rem 0 .75rem; font: 700 clamp(1.35rem, 3vw, 2rem)/1.45 Outfit, "Noto Sans JP", sans-serif; }
.diagnosis-result > p { margin: 0; color: var(--text); font-size: .86rem; line-height: 1.85; }
.result-grid { margin-top: 1.5rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.result-box { padding: 1.15rem; border: 1px solid var(--line); border-radius: 12px; background: rgba(8, 18, 35, .55); }
.result-box h4 { margin: 0 0 .7rem; color: var(--muted); font: 600 .61rem Outfit, sans-serif; letter-spacing: .12em; }
.result-box ul { margin: 0; padding-left: 1.05rem; color: #bdc9d9; font-size: .74rem; line-height: 1.8; }
.route-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.route-tags a { padding: .44rem .62rem; border-radius: 8px; color: #c9f7ff; background: rgba(0, 212, 255, .08); font-size: .7rem; }
.route-tags a:hover { color: #fff; background: rgba(0, 212, 255, .14); }
.result-note { margin: 1rem 0 0 !important; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted) !important; font-size: .73rem !important; }
.result-action {
  margin-top: 1.1rem; padding: .65rem .85rem; border: 1px solid rgba(0, 212, 255, .32); border-radius: 9px;
  color: var(--cyan); background: rgba(0, 212, 255, .04); cursor: pointer; font-weight: 600; font-size: .75rem;
}
.result-links { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .5rem 1.3rem; }
.result-links a { font-size: .75rem; font-weight: 600; line-height: 1.6; }
.result-links a:hover { text-decoration: underline; text-underline-offset: .22em; }

.pronunciation-panel {
  margin-top: 3rem; padding: clamp(1.7rem, 4vw, 3rem);
  border: 1px solid rgba(0, 212, 255, .19); border-radius: 26px;
  background: linear-gradient(140deg, rgba(0, 212, 255, .055), rgba(17, 29, 53, .85));
}
.pronunciation-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(380px, 1.1fr); gap: 2.8rem; align-items: center; }
.belief-list { display: grid; gap: 1.3rem; }
.belief-item { padding-left: 1rem; border-left: 2px solid var(--belief); }
.belief-item small { color: var(--belief); font: 600 .6rem Outfit, sans-serif; letter-spacing: .12em; }
.belief-item h3 { margin: .38rem 0 .38rem; font: 700 1rem/1.55 Outfit, "Noto Sans JP", sans-serif; }
.belief-item p { margin: 0; color: var(--muted); font-size: .76rem; line-height: 1.75; }
.ssd-card {
  min-width: 0; padding: 1.5rem; border: 1px solid rgba(0, 212, 255, .18); border-radius: 18px;
  background: rgba(7, 17, 34, .72); box-shadow: 0 20px 50px rgba(0, 4, 12, .25);
}
.ssd-head { display: flex; align-items: center; justify-content: space-between; gap: .7rem; color: var(--muted); font: 600 .58rem Outfit, sans-serif; letter-spacing: .11em; }
.ssd-head span { padding: .27rem .5rem; border-radius: 999px; color: var(--cyan); background: rgba(0, 212, 255, .08); }
.ssd-sentence { margin: 1.5rem 0; color: var(--white); font: 700 clamp(1.35rem, 3.8vw, 2rem)/1.45 Outfit, sans-serif; text-align: center; }
.ssd-layer { padding: .85rem 0; display: grid; grid-template-columns: 82px minmax(0, 1fr); gap: .8rem; border-top: 1px solid var(--line); }
.ssd-layer small { color: var(--muted); font: 600 .56rem Outfit, sans-serif; letter-spacing: .1em; }
.ssd-layer p { margin: 0; color: #bdcada; font: 500 .82rem/1.65 Outfit, "Noto Sans JP", sans-serif; overflow-wrap: anywhere; }
.linking { color: var(--cyan); }
.weak { color: var(--amber); }
.fusion { color: var(--violet); }
.assim { color: var(--emerald); }
.ssd-tags { margin-top: .9rem; display: flex; flex-wrap: wrap; gap: .45rem; }
.ssd-tags span { padding: .35rem .55rem; border: 1px solid var(--line); border-radius: 7px; color: var(--muted); font-size: .63rem; }
.ssd-tags b { color: #bdcada; font-weight: 600; }
.ssd-foot { margin: 1rem 0 0; color: var(--muted); font-size: .67rem; line-height: 1.7; }
.ssd-link { display: inline-block; margin-top: .85rem; font-size: .74rem; font-weight: 600; }
.ssd-link:hover { text-decoration: underline; text-underline-offset: .22em; }

.principle-loop { margin-top: 3rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .7rem; }
.principle-card {
  position: relative; min-width: 0; min-height: 218px; padding: 1.15rem;
  border: 1px solid var(--line); border-radius: 15px; background: rgba(17, 29, 53, .74);
}
.principle-card:not(:last-child)::after {
  content: "›"; position: absolute; z-index: 2; right: -.58rem; top: 50%; transform: translateY(-50%);
  width: 1.15rem; height: 1.15rem; display: grid; place-items: center; border-radius: 50%;
  color: var(--cyan); background: var(--navy); font-size: 1rem;
}
.principle-card:nth-child(4)::after { display: none; }
.principle-no { color: var(--cyan); font: 700 .6rem Outfit, sans-serif; letter-spacing: .12em; }
.principle-card h3 { margin: .75rem 0 .55rem; font: 700 .88rem/1.5 Outfit, "Noto Sans JP", sans-serif; }
.principle-card p { margin: 0; color: var(--muted); font-size: .76rem; line-height: 1.72; }
.principle-evidence { display: inline-flex; margin-top: .8rem; padding: .28rem .45rem; border-radius: 6px; color: #b9a5ef; background: rgba(167, 139, 250, .09); font-size: .63rem; }
.cycle-return {
  width: min(820px, 100%); margin: 1rem auto 0; padding: .8rem 1rem;
  border: 1px dashed rgba(0, 212, 255, .24); border-radius: 999px;
  color: #b9c9dc; font-size: .75rem; line-height: 1.6; text-align: center;
}
.four-strands { margin-top: 2rem; display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.strand { padding: 1.2rem; border-top: 2px solid var(--strand); border-radius: 0 0 12px 12px; background: rgba(255, 255, 255, .028); }
.strand small { color: var(--strand); font: 600 .58rem Outfit, sans-serif; letter-spacing: .1em; }
.strand strong { display: block; margin: .5rem 0 .45rem; font-size: .83rem; }
.strand p { margin: 0; color: var(--muted); font-size: .68rem; line-height: 1.65; }
.theory-caution {
  margin-top: 1.2rem; padding: 1rem 1.15rem; border-left: 3px solid var(--amber);
  color: #bfcbdc; background: rgba(255, 179, 71, .045); font-size: .75rem; line-height: 1.8;
}

.method-tools {
  position: sticky; top: 68px; z-index: 20; margin-top: 2.6rem; padding: 1rem;
  border: 1px solid var(--line); border-radius: 17px; background: rgba(11, 21, 40, .94); backdrop-filter: blur(16px);
  box-shadow: 0 12px 35px rgba(0, 5, 15, .2);
}
.scope-legend { margin-top: 1.15rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.scope-legend span { padding: .42rem .65rem; border: 1px solid var(--line); border-radius: 8px; color: #aebdd1; font-size: .69rem; }
.scope-legend span:first-child { color: #a9f4ff; border-color: rgba(0, 212, 255, .18); }
.scope-legend span:last-child { color: #e2c58e; border-color: rgba(255, 179, 71, .18); }
.method-control-row { display: grid; grid-template-columns: minmax(230px, 1fr) auto; gap: .8rem; align-items: center; }
.control-group { min-width: 0; display: grid; gap: .42rem; }
.control-label { color: #a9b8cb; font-size: .7rem; line-height: 1.4; }
.search-wrap { position: relative; }
.search-wrap svg { position: absolute; left: .85rem; top: 50%; width: 17px; transform: translateY(-50%); color: var(--muted); }
.search-input, .time-select {
  width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: 10px;
  color: var(--white); background: rgba(255, 255, 255, .035);
}
.search-input { padding: .68rem .85rem .68rem 2.45rem; }
.search-input::placeholder { color: #6e809a; }
.time-select { min-width: 178px; padding: .68rem .85rem; }
.time-select option { color: #101827; background: #fff; }
.filter-row { margin-top: .75rem; display: flex; flex-wrap: wrap; gap: .45rem; }
.filter-button {
  min-height: 44px; padding: .55rem .78rem; border: 1px solid var(--line); border-radius: 999px;
  color: var(--muted); background: transparent; cursor: pointer; font-size: .73rem;
}
.filter-button:hover { color: var(--white); border-color: var(--line-strong); }
.filter-button[aria-pressed="true"] { color: #071527; border-color: var(--cyan); background: var(--cyan); font-weight: 700; }
.method-status { margin-top: .72rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .68rem; }
.method-status button { padding: 0; border: 0; color: var(--cyan); background: transparent; cursor: pointer; }
.methods-grid { margin-top: 1.2rem; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; align-items: start; }
.method-card {
  min-width: 0; padding: 1.4rem; display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: 17px; background: rgba(17, 29, 53, .76);
  transition: transform .2s, border-color .2s;
}
.method-card::after {
  content: attr(data-scope) " · " attr(data-support);
  order: 1; margin-top: .85rem; padding: .65rem .72rem;
  border: 1px solid var(--line); border-radius: 9px;
  color: #aebdd1; background: rgba(8, 18, 35, .48);
  font-size: .66rem; line-height: 1.6;
}
.method-card[data-scope="Hearlixで練習"]::after { color: #a9f4ff; border-color: rgba(0, 212, 255, .18); background: rgba(0, 212, 255, .045); }
.method-card[data-scope="会話・教材で実践"]::after { color: #e2c58e; border-color: rgba(255, 179, 71, .18); background: rgba(255, 179, 71, .04); }
.method-card:hover { transform: translateY(-3px); border-color: rgba(0, 212, 255, .24); }
.method-card[hidden] { display: none; }
.method-top { display: flex; align-items: center; justify-content: space-between; gap: .7rem; }
.method-type { color: var(--method-color, var(--cyan)); font: 600 .65rem Outfit, sans-serif; letter-spacing: .1em; text-transform: uppercase; }
.method-time { color: var(--muted); font-size: .65rem; }
.method-card h3 { margin: .75rem 0 .5rem; font: 700 1.1rem/1.5 Outfit, "Noto Sans JP", sans-serif; }
.method-card > p { margin: 0; color: var(--text); font-size: .82rem; line-height: 1.75; }
.method-tags { margin: .8rem 0; display: flex; flex-wrap: wrap; gap: .38rem; }
.method-tags span { padding: .3rem .48rem; border-radius: 6px; color: #9eb1ca; background: rgba(255, 255, 255, .04); font-size: .66rem; }
.method-mini { margin-top: .2rem; display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; }
.method-mini div { padding: .72rem; border-radius: 9px; background: rgba(8, 18, 35, .48); }
.method-mini small { color: var(--muted); font: 600 .6rem Outfit, sans-serif; letter-spacing: .08em; }
.method-mini p { margin: .35rem 0 0; color: #b9c7d9; font-size: .72rem; line-height: 1.65; }
.method-action { order: 2; margin-top: .72rem; color: var(--cyan); font-size: .72rem; line-height: 1.5; }
.method-action:hover { text-decoration: underline; text-underline-offset: .22em; }
.method-card details { order: 3; margin-top: 0; padding-top: 1rem; }
.method-card summary { color: var(--cyan); font-size: .76rem; cursor: pointer; list-style: none; }
.method-card summary::-webkit-details-marker { display: none; }
.method-card summary::after { content: "＋"; float: right; }
.method-card details[open] summary::after { content: "−"; }
.method-detail { margin-top: .8rem; padding-top: .8rem; border-top: 1px solid var(--line); }
.method-detail ol { margin: 0; padding-left: 1.05rem; color: #b7c5d7; font-size: .75rem; line-height: 1.75; }
.method-detail p { margin: .65rem 0 0; color: var(--muted); font-size: .72rem; line-height: 1.7; }
.method-detail strong { color: #cdd7e5; }
.no-results { display: none; margin-top: 1rem; padding: 2rem; border: 1px dashed var(--line-strong); border-radius: 15px; color: var(--muted); text-align: center; }
.no-results.is-visible { display: block; }

.lifecycle {
  margin-top: 3rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .7rem; align-items: stretch;
}
.life-node {
  position: relative; min-width: 0; min-height: 168px; padding: 1rem .8rem;
  border: 1px solid var(--line); border-radius: 14px; background: rgba(17, 29, 53, .75);
}
.life-node.external { border-style: dashed; border-color: rgba(255, 179, 71, .26); background: rgba(255, 179, 71, .04); }
.life-node:not(:last-child)::after {
  content: "→"; position: absolute; z-index: 2; right: -.68rem; top: 50%;
  color: var(--cyan); transform: translateY(-50%); font-size: .82rem;
}
.life-node:nth-child(4)::after { display: none; }
.life-turn {
  grid-column: 1 / -1; min-height: 38px; display: grid; place-items: center;
  color: #96a9c2; font-size: .7rem; line-height: 1.5; text-align: center;
}
.life-no { color: var(--node-color, var(--cyan)); font: 700 .57rem Outfit, sans-serif; letter-spacing: .1em; }
.life-node strong { display: block; margin: .62rem 0 .45rem; font-size: .86rem; line-height: 1.5; }
.life-node p { margin: 0; color: var(--muted); font-size: .74rem; line-height: 1.65; }
.life-node span { display: inline-block; margin-top: .65rem; color: var(--node-color, var(--cyan)); font-size: .64rem; }
.lifecycle-return {
  margin: .8rem 7% 0; padding: .75rem; border: 1px dashed rgba(0, 212, 255, .2); border-radius: 999px;
  color: #9fb1c9; font-size: .68rem; line-height: 1.6; text-align: center;
}
.feature-limit {
  margin-top: 1.6rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem;
}
.feature-limit > div { padding: 1.15rem; border: 1px solid var(--line); border-radius: 13px; background: rgba(255, 255, 255, .025); }
.feature-limit small { color: var(--muted); font: 600 .56rem Outfit, sans-serif; letter-spacing: .1em; }
.feature-limit strong { display: block; margin: .45rem 0; font-size: .78rem; }
.feature-limit p { margin: 0; color: var(--muted); font-size: .67rem; line-height: 1.7; }
.route-panel {
  margin-top: 2rem; padding: 1.8rem; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; align-items: center;
  border: 1px solid rgba(43, 107, 242, .24); border-radius: 17px; background: rgba(43, 107, 242, .07);
}
.route-panel h3 { margin: 0 0 .45rem; font: 700 1.15rem/1.5 Outfit, "Noto Sans JP", sans-serif; }
.route-panel p { margin: 0; color: var(--muted); font-size: .76rem; line-height: 1.75; }
.route-actions { display: flex; flex-wrap: wrap; gap: .65rem; }

/* auto-fit: 公開版は2枚（監修者カードは admin 描画時のみ3枚目）。固定3列だと公開版に空きが出る */
.trust-grid { margin-top: 3rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.trust-card { padding: 1.5rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(17, 29, 53, .72); }
.trust-card small { color: var(--trust-color); font: 600 .58rem Outfit, sans-serif; letter-spacing: .12em; }
.trust-card h3 { margin: .7rem 0 .55rem; font: 700 1rem/1.5 Outfit, "Noto Sans JP", sans-serif; }
.trust-card p { margin: 0; color: var(--muted); font-size: .72rem; line-height: 1.75; }
.editorial-meta {
  margin-top: .85rem; padding: 1rem 1.15rem; display: flex; flex-wrap: wrap; gap: .7rem 1.3rem;
  border: 1px solid var(--line); border-radius: 12px; color: #a9b8cb; background: rgba(255, 255, 255, .02);
  font-size: .72rem; line-height: 1.6;
}
.editorial-meta b { color: var(--white); font-weight: 600; }
.evidence-list { margin-top: 1.25rem; display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.evidence-item { border: 1px solid var(--line); border-radius: 13px; background: rgba(8, 18, 35, .52); overflow: hidden; }
.evidence-item summary { padding: 1rem 1.1rem; display: flex; align-items: center; gap: .75rem; cursor: pointer; list-style: none; }
.evidence-item summary::-webkit-details-marker { display: none; }
.evidence-badge { flex: 0 0 auto; padding: .3rem .48rem; border-radius: 6px; color: #cbbfff; background: rgba(167, 139, 250, .1); font: 600 .52rem Outfit, sans-serif; letter-spacing: .08em; }
.evidence-item summary strong { color: var(--text); font-size: .72rem; line-height: 1.55; }
.evidence-body { padding: 0 1.1rem 1.1rem; }
.evidence-body p { margin: 0 0 .65rem; color: var(--muted); font-size: .75rem; line-height: 1.75; }
.evidence-body p:last-child { margin-bottom: 0; }
.evidence-body a { text-decoration: underline; text-underline-offset: .2em; }
.evidence-limit { color: #d8ba81 !important; }

.closing { padding: 7rem 0 8rem; text-align: center; }
.closing h2 { max-width: 870px; margin: 0 auto; font: 800 clamp(2.15rem, 5vw, 4rem)/1.34 Outfit, "Noto Sans JP", sans-serif; letter-spacing: -.04em; word-break: keep-all; }
.closing p { max-width: 640px; margin: 1.2rem auto 0; color: var(--text); line-height: 1.9; }
.closing .hero-actions { justify-content: center; }

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(390px, .9fr); gap: 3rem; }
  .principle-loop { grid-template-columns: repeat(4, 1fr); }
  .lifecycle { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy-col { max-width: 760px; }
  .conversation-map { width: min(570px, 100%); margin-inline: auto; }
  .quad { grid-template-columns: repeat(2, 1fr); }
  .diagnosis-layout { grid-template-columns: 1fr; }
  .issue-list { grid-template-columns: repeat(2, 1fr); }
  .pronunciation-grid { grid-template-columns: 1fr; }
  .belief-list { grid-template-columns: repeat(3, 1fr); }
  .methods-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-limit, .trust-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .shell, .divider { width: min(100% - 28px, 1180px); }
  .section { padding: 5.3rem 0; }
  .hero { padding: 2.4rem 0 5rem; }
  .hero h1 { font-size: clamp(2.55rem, 12vw, 4.1rem); }
  .conversation-map { min-height: 560px; padding: 1.2rem; border-radius: 25px; }
  .map-node { min-width: 100px; padding: .66rem .55rem; }
  .node-listen { left: 3%; }
  .node-speak { right: 3%; }
  .foundation-rail { inset-inline: 1rem; bottom: 1rem; }
  .map-thesis { top: 69%; width: calc(100% - 2rem); }
  .quad { grid-template-columns: 1fr; }
  .concept-card { min-height: auto; }
  .system-map { padding: 1rem; border-radius: 19px; }
  .interaction-band { grid-template-columns: 1fr; }
  .skills-grid, .base-grid { grid-template-columns: 1fr 1fr; }
  .base-grid .sound { grid-column: 1 / -1; }
  .cross-band { grid-template-columns: 1fr; }
  .issue-list { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  .belief-list { grid-template-columns: 1fr; }
  .pronunciation-panel { padding-inline: 1rem; }
  .ssd-layer { grid-template-columns: 70px minmax(0, 1fr); }
  .principle-loop { grid-template-columns: 1fr 1fr; }
  .principle-card:nth-child(even)::after { display: none; }
  .principle-card { min-height: 190px; }
  .four-strands { grid-template-columns: 1fr 1fr; }
  .method-tools { position: static; }
  .method-control-row { grid-template-columns: 1fr; }
  .time-select { min-width: 0; }
  .methods-grid { grid-template-columns: 1fr; }
  .lifecycle { grid-template-columns: 1fr 1fr; }
  .life-node::after { display: block; }
  .life-node:nth-child(2)::after, .life-node:nth-child(4)::after, .life-node:nth-child(7)::after, .life-node:last-child::after { display: none; }
  .life-node { min-height: 145px; }
  .lifecycle-return { margin-inline: 0; border-radius: 14px; }
  .trust-grid, .evidence-list { grid-template-columns: 1fr; }
  .route-panel { grid-template-columns: 1fr; }
  .filter-button { min-height: 44px; font-size: .76rem; }
  .method-card > p { font-size: .875rem; }
  .method-mini p, .method-detail p, .method-detail ol { font-size: .8rem; }
  .method-card::after { font-size: .75rem; }
}
@media (max-width: 470px) {
  .section-title { font-size: 2rem; }
  .hero h1 { font-size: 2.55rem; }
  .conversation-map { min-height: 0; padding: 1rem; display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; }
  .conversation-map::before, .conversation-map::after { display: none; }
  .map-caption { grid-column: 1 / -1; margin-bottom: .3rem; }
  .map-node, .conversation-core, .map-thesis, .foundation-rail { position: static; inset: auto; transform: none; width: auto; min-width: 0; }
  .conversation-core { order: 1; grid-column: 1 / -1; min-height: 132px; height: auto; border-radius: 16px; }
  .node-input { order: 2; grid-column: 1 / -1; }
  .node-listen, .node-speak { order: 3; }
  .node-reflect { order: 4; grid-column: 1 / -1; }
  .map-thesis { order: 5; grid-column: 1 / -1; margin: .25rem 0; font-size: .7rem; }
  .foundation-rail { order: 6; grid-column: 1 / -1; }
  .foundation-items { gap: .35rem; }
  .foundation-items span { padding-inline: .25rem; font-size: .61rem; }
  .skills-grid, .base-grid, .principle-loop, .four-strands, .lifecycle { grid-template-columns: 1fr; }
  .base-grid .sound { grid-column: auto; }
  .principle-card::after, .life-node::after { display: none !important; }
  .method-mini { grid-template-columns: 1fr; }
  .button-primary, .button-secondary { width: 100%; }
  .hero-actions { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}