/* 蒼進ゼミ（架空・制作デモ）tone-84: base #FEFEFE / text #011E44 / accent #B12726
   力強い・信頼感・数字重視・整然。影少なめフラット、紙の表組みに近い硬い面。直線的（角丸ほぼ無し） */
:root {
  --base: #FEFEFE;
  --navy: #011E44;
  --navy-soft: #1B3A66;
  --red: #B12726;
  --ink: #011E44;
  --muted: #465872;
  --line: rgba(1, 30, 68, 0.16);
  --line-strong: rgba(1, 30, 68, 0.4);
  --paper: #F5F7FA;
  --head: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  --body: "Noto Sans JP", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--base);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.9;
  font-feature-settings: "palt";
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.nw { display: inline-block; }
.ta-r { text-align: right; }

/* ── header ── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--base);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1120px; margin: 0 auto;
  padding: 0.7rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: flex; align-items: baseline; gap: 0.7rem; flex-wrap: wrap; }
.brand-name { font-family: var(--head); font-weight: 900; font-size: 1.35rem; letter-spacing: 0.06em; }
.brand-sub { font-size: 0.72rem; letter-spacing: 0.14em; color: var(--muted); font-weight: 700; }

.btn-cta {
  display: inline-block;
  background: var(--red); color: #FFF;
  font-family: var(--head); font-weight: 700;
  font-size: 1rem; letter-spacing: 0.08em;
  padding: 0.85rem 2.1rem;
  border: none; cursor: pointer;
  text-decoration: none; text-align: center;
  transition: background 0.2s, transform 0.2s;
}
.btn-cta:hover { background: #8F1E1D; transform: translateY(-1px); }
.btn-cta:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; }
.btn-cta-s { font-size: 0.82rem; padding: 0.55rem 1.1rem; }

/* ── hero ── */
.hero { background: var(--navy); color: #FEFEFE; padding: clamp(2.5rem, 6vw, 4.5rem) 1.25rem 2.5rem; }
.hero-inner {
  max-width: 1120px; margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}
.hero-eyebrow { font-size: 0.8rem; letter-spacing: 0.2em; font-weight: 700; color: #A9BAD3; margin-bottom: 1.1rem; }
.hero-title {
  font-family: var(--head); font-weight: 900;
  font-size: clamp(2.1rem, 5.4vw, 3.6rem);
  line-height: 1.28; letter-spacing: 0.04em;
  margin-bottom: 1.2rem;
}
.hero-lead { font-size: 0.98rem; line-height: 2; color: #D8E1EE; max-width: 34em; margin-bottom: 1.6rem; }
.hero-cta-row { margin-bottom: 0.6rem; }
.hero-visual { position: relative; border: 1px solid rgba(254, 254, 254, 0.25); }
.hero-visual img { width: 100%; }
.hero-cap { font-size: 0.7rem; color: #A9BAD3; padding: 0.4rem 0.6rem; letter-spacing: 0.08em; }
.hero-stats {
  max-width: 1120px; margin: 2.2rem auto 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.stat-card {
  background: #FEFEFE; color: var(--navy);
  padding: 1.1rem 1.2rem 0.9rem;
  border-top: 4px solid var(--red);
}
.stat-num { font-family: var(--head); font-weight: 900; font-size: 2.2rem; line-height: 1.1; display: block; letter-spacing: 0.02em; }
.stat-unit { font-size: 1rem; margin-left: 0.15em; }
.stat-label { font-size: 0.8rem; font-weight: 700; color: var(--muted); letter-spacing: 0.05em; }
.stat-note { font-size: 0.68rem; font-weight: 500; display: inline-block; }

/* ── sections ── */
.sec { padding: clamp(3rem, 7vw, 5.5rem) 1.25rem; }
.sec-alt { background: var(--paper); }
.sec-inner { max-width: 1120px; margin: 0 auto; }
.sec-inner-narrow { max-width: 820px; }
.sec-no {
  font-family: var(--head); font-weight: 900;
  font-size: 0.9rem; letter-spacing: 0.3em; color: var(--red);
  border-bottom: 2px solid var(--red); display: inline-block;
  padding-bottom: 0.2rem; margin-bottom: 0.8rem;
}
.sec-title {
  font-family: var(--head); font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.2rem);
  letter-spacing: 0.06em; line-height: 1.4;
  margin-bottom: 1.6rem;
  text-wrap: balance;
}
.sec-lede { max-width: 42em; color: var(--muted); margin-bottom: 2rem; font-size: 0.95rem; }
.note { font-size: 0.75rem; color: var(--muted); margin-top: 0.7rem; line-height: 1.7; }

/* ── 01 実績 ── */
.jisseki-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.big-number { line-height: 1; margin-bottom: 1rem; }
.big-red {
  font-family: var(--head); font-weight: 900;
  font-size: clamp(4.5rem, 10vw, 7.5rem);
  color: var(--red); letter-spacing: 0.01em;
}
.big-unit { font-family: var(--head); font-weight: 900; font-size: clamp(1.3rem, 3vw, 2rem); margin-left: 0.3rem; }
.jisseki-lede { font-size: 0.95rem; color: var(--muted); margin-bottom: 1.4rem; max-width: 30em; }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; background: #FFF; }
.data-table th, .data-table td { border: 1px solid var(--line); padding: 0.55rem 0.8rem; text-align: left; }
.data-table th { background: var(--navy); color: #FEFEFE; font-weight: 700; font-size: 0.82rem; letter-spacing: 0.08em; }
.data-table th.ta-r { text-align: right; }
.data-table tbody tr:nth-child(even) { background: var(--paper); }

.jisseki-charts { display: grid; gap: 1.4rem; }
.chart-panel { border: 1px solid var(--line); background: #FFF; padding: 1.1rem 1.2rem 1.2rem; }
.panel-title { font-family: var(--head); font-weight: 700; font-size: 1rem; letter-spacing: 0.05em; margin-bottom: 0.9rem; }
.panel-sub { display: block; font-size: 0.72rem; font-weight: 500; color: var(--muted); letter-spacing: 0.08em; margin-top: 0.2rem; }
.chart-box { position: relative; }
.chart-svg { width: 100%; height: auto; display: block; touch-action: pan-y; }
.chart-caption { font-size: 0.78rem; color: var(--muted); margin-top: 0.6rem; }
.chart-tip {
  position: absolute; pointer-events: none;
  background: var(--navy); color: #FEFEFE;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 0.25rem 0.55rem; white-space: nowrap;
  transform: translate(-50%, -130%);
  opacity: 0; transition: opacity 0.15s;
}
.chart-tip.is-on { opacity: 1; }

/* chart pulse（chart-pulse: 2.4s cadence / breathe 1→1.35 / ping 1→2.6, opacity .55→0） */
.cp-dot { transform-box: fill-box; transform-origin: 50% 50%; animation: cp-breathe 2.4s ease-in-out infinite; }
.cp-ring { transform-box: fill-box; transform-origin: 50% 50%; animation: cp-ping 2.4s ease-out infinite; }
@keyframes cp-breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.35); } }
@keyframes cp-ping { 0% { transform: scale(1); opacity: 0.55; } 100% { transform: scale(2.6); opacity: 0; } }

/* bars（chart-pulse: 高さ=値/最大×176px, scaleY成長） */
.bar-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.7rem; align-items: end; }
.bar-item { text-align: center; }
.bar-col { height: 176px; display: flex; align-items: flex-end; justify-content: center; }
.bar-fill { width: min(46px, 70%); background: var(--navy); transform-origin: 50% 100%; }
.bar-val { display: block; font-family: var(--head); font-weight: 900; font-size: 0.95rem; margin-top: 0.4rem; }
.bar-name { display: block; font-size: 0.78rem; color: var(--muted); font-weight: 700; }

/* ── 合格までの記録簿（counter-scroll） ── */
.kiroku { margin-top: clamp(2.5rem, 6vw, 4rem); border-top: 1px solid var(--line); padding-top: 2.2rem; }
.kiroku-title { font-family: var(--head); font-weight: 900; font-size: clamp(1.2rem, 2.6vw, 1.6rem); letter-spacing: 0.06em; margin-bottom: 0.7rem; }
.kiroku-lede { max-width: 44em; color: var(--muted); font-size: 0.92rem; margin-bottom: 2rem; }
.kiroku-wrap {
  display: grid; grid-template-columns: 1fr 2px 1fr;
  column-gap: clamp(1rem, 3vw, 2rem);
  padding: 60px 0; /* 逆走が有効な時はJSがshiftぶんに上書き */
  position: relative;
}
.cs-col { display: grid; gap: clamp(1.2rem, 3vw, 2rem); align-content: start; }
.cs-right-inner { display: grid; gap: clamp(1.2rem, 3vw, 2rem); will-change: transform; }
.cs-seam { position: relative; width: 2px; }
.seam-track {
  position: absolute; inset: 0; width: 2px;
  background: repeating-linear-gradient(to bottom, var(--line) 0 6px, transparent 6px 12px);
}
.seam-fill { position: absolute; inset: 0; width: 2px; background: var(--navy); transform-origin: top; transform: scaleY(0); }
.seam-needle {
  position: absolute; left: 50%; top: 0;
  width: 10px; height: 10px; margin-left: -5px; margin-top: -5px;
  background: var(--red);
  box-shadow: 0 0 10px 3px rgba(177, 39, 38, 0.35);
}
.rec-card { border: 1px solid var(--line); background: #FFF; }
.rec-inner { padding: 0 0 0.4rem; }
.rec-inner img { width: 100%; border-bottom: 1px solid var(--line); }
.rec-plain { padding-top: 0.4rem; }
.rec-tag {
  font-family: var(--head); font-weight: 700; font-size: 0.82rem;
  letter-spacing: 0.05em; padding: 0.7rem 0.9rem 0.4rem;
}
.rec-table { width: calc(100% - 1.8rem); margin: 0 0.9rem 0.5rem; border-collapse: collapse; font-size: 0.8rem; }
.rec-table td { border-top: 1px solid var(--line); padding: 0.35rem 0.2rem; color: var(--muted); }
.rec-table td.ta-r { color: var(--ink); font-weight: 700; }

/* ── 02 理由 ── */
.riyuu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-bottom: 1.6rem; }
.riyuu-card { background: #FFF; border: 1px solid var(--line); padding: 1.5rem 1.3rem; }
.riyuu-icon { display: block; width: 56px; height: 56px; margin-bottom: 0.9rem; }
.riyuu-icon svg { width: 100%; height: 100%; }
.riyuu-title { font-family: var(--head); font-weight: 900; font-size: 1.15rem; letter-spacing: 0.06em; margin-bottom: 0.6rem; }
.riyuu-card p { font-size: 0.9rem; color: var(--muted); }
.riyuu-photo { border: 1px solid var(--line); background: #FFF; }
.riyuu-photo img { width: 100%; }
.riyuu-photo figcaption { font-size: 0.72rem; color: var(--muted); padding: 0.45rem 0.7rem; letter-spacing: 0.06em; }

/* ── 保護者の声（枠のみ・掲載準備中） ── */
.title-sub { font-size: 0.5em; font-weight: 700; letter-spacing: 0.08em; color: var(--muted); margin-left: 0.6em; }
.koe-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.koe-slot {
  border: 2px dashed var(--line-strong);
  background: #FFF;
  padding: 1.6rem 1.3rem 1.3rem;
  min-height: 190px;
  display: flex; flex-direction: column;
}
.koe-mark { font-family: var(--head); font-weight: 900; font-size: 2.2rem; line-height: 1; color: var(--line-strong); }
.koe-ph { flex: 1; display: flex; align-items: center; justify-content: center; font-family: var(--head); font-weight: 700; font-size: 0.95rem; letter-spacing: 0.14em; color: var(--muted); }
.koe-meta { font-size: 0.72rem; letter-spacing: 0.16em; color: var(--muted); border-top: 1px solid var(--line); padding-top: 0.6rem; }

/* ── 03 コース：ダイヤル ── */
.dial-area {
  display: grid; grid-template-columns: auto 1fr; gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  border: 1px solid var(--line); background: #FFF;
  padding: clamp(1.2rem, 3vw, 2.2rem);
  margin-bottom: 2.2rem;
}
.dial-zone { display: grid; justify-items: center; gap: 1rem; }
.dial-ring { position: relative; width: 320px; height: 320px; --dial-tr: 138px; --dial-lr: 118px; }
/* 3°刻み120本の精密目盛り: DOM120個でなく repeating-conic-gradient + 環マスク（dial-select準拠） */
.dial-fine {
  position: absolute; inset: 0; border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, rgba(1, 30, 68, 0.42) 0deg 0.6deg, transparent 0.6deg 3deg);
  -webkit-mask-image: radial-gradient(circle, transparent 60%, #000 62%, #000 74%, transparent 76%);
  mask-image: radial-gradient(circle, transparent 60%, #000 62%, #000 74%, transparent 76%);
}
.dial-anchor { position: absolute; top: 50%; left: 50%; width: 0; height: 0; }
.dial-tick {
  position: absolute; top: 0; left: 0;
  width: 3px; height: 14px; background: var(--line-strong);
}
.dial-label {
  position: absolute; top: 0; left: 0;
  font-family: var(--head); font-weight: 700; font-size: 0.8rem;
  letter-spacing: 0.06em; color: var(--ink); white-space: nowrap;
  background: var(--base); padding: 0 0.3em; line-height: 1.4;
}
.dial-knob {
  position: absolute; top: 50%; left: 50%;
  width: 208px; height: 208px; margin: -104px 0 0 -104px;
  border-radius: 50%;
  background: #FFF;
  border: 1px solid var(--line-strong);
  box-shadow: inset 0 0 0 10px var(--paper);
  cursor: grab;
  touch-action: none; user-select: none; -webkit-user-select: none;
}
.dial-knob::before {
  /* ローレット縁: repeating-conic の縞を環マスク */
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, rgba(1, 30, 68, 0.28) 0deg 2deg, transparent 2deg 6deg);
  -webkit-mask-image: radial-gradient(circle, transparent 84%, #000 86%);
  mask-image: radial-gradient(circle, transparent 84%, #000 86%);
}
.dial-knob:active { cursor: grabbing; }
.dial-knob:focus-visible { outline: 3px solid var(--red); outline-offset: 4px; }
.dial-needle {
  position: absolute; left: 50%; top: 10px;
  width: 3px; height: 94px; margin-left: -1.5px;
  background: var(--red);
}
.dial-hub {
  position: absolute; left: 50%; top: 50%;
  width: 18px; height: 18px; margin: -9px 0 0 -9px;
  border-radius: 50%; background: var(--navy);
}
.dial-dots { display: flex; gap: 0.8rem; }
.dial-dot {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--navy); background: transparent;
  cursor: pointer; padding: 0;
}
.dial-dot.is-on { background: var(--red); border-color: var(--red); }
.dial-dot:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }

.dial-read { background: var(--navy); color: #FEFEFE; padding: 1.4rem 1.5rem; align-self: stretch; }
.read-counter { font-size: 0.72rem; letter-spacing: 0.25em; color: #A9BAD3; font-weight: 700; margin-bottom: 0.5rem; }
.read-name { font-family: var(--head); font-weight: 900; font-size: clamp(1.3rem, 2.6vw, 1.7rem); letter-spacing: 0.05em; }
.read-tag { font-size: 0.85rem; color: #D8E1EE; margin: 0.3rem 0 0.9rem; }
.read-table td { border-top: 1px solid rgba(254, 254, 254, 0.2); color: #A9BAD3; }
.read-table td.ta-r { color: #FEFEFE; }
.read-table { width: 100%; margin: 0; }

.course-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-bottom: 2.2rem; }
.course-card { border: 1px solid var(--line); background: #FFF; }
.course-card img { width: 100%; border-bottom: 1px solid var(--line); }
.course-name { font-family: var(--head); font-weight: 900; font-size: 1.05rem; letter-spacing: 0.05em; padding: 0.9rem 1rem 0.3rem; }
.course-card p { font-size: 0.88rem; color: var(--muted); padding: 0 1rem 1rem; }

.course-tables { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1.4rem; align-items: start; }
.table-block .panel-title { margin-bottom: 0.7rem; }

/* ── FAQ ── */
.faq-list { display: grid; gap: 1rem; }
.faq-item { background: #FFF; border: 1px solid var(--line); padding: 1.1rem 1.3rem; }
.faq-item dt { font-family: var(--head); font-weight: 700; font-size: 1rem; letter-spacing: 0.04em; margin-bottom: 0.4rem; }
.faq-item dt::before { content: "Q."; color: var(--red); font-weight: 900; margin-right: 0.5em; }
.faq-item dd { font-size: 0.9rem; color: var(--muted); }

/* ── 04 流れ ── */
.flow-grid { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-bottom: 2.2rem; }
.flow-step { background: #FFF; border: 1px solid var(--line); padding: 1.3rem 1.1rem; }
.flow-icon { display: block; width: 52px; height: 52px; margin-bottom: 0.8rem; }
.flow-icon svg { width: 100%; height: 100%; }
.flow-title { font-family: var(--head); font-weight: 900; font-size: 1.05rem; letter-spacing: 0.05em; margin-bottom: 0.4rem; }
.flow-no { color: var(--red); margin-right: 0.5em; }
.flow-step p { font-size: 0.85rem; color: var(--muted); }
.apply-note { font-size: 0.8rem; color: var(--muted); margin-top: 0.9rem; line-height: 1.7; }
.apply-note-dark { color: #A9BAD3; }

/* 申込フォーム（デモ・送信されない） */
.apply-block { border: 2px solid var(--navy); background: #FFF; padding: clamp(1.3rem, 3vw, 2.2rem); max-width: 820px; margin: 0 auto; }
.apply-title { font-family: var(--head); font-weight: 900; font-size: 1.25rem; letter-spacing: 0.06em; margin-bottom: 0.7rem; }
.apply-demo { font-size: 0.8rem; color: var(--muted); line-height: 1.8; border-left: 4px solid var(--red); padding-left: 0.8rem; margin-bottom: 1.4rem; }
.apply-demo strong { color: var(--red); }
.apply-form { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem 1.1rem; }
.fld { display: flex; flex-direction: column; gap: 0.35rem; }
.fld-wide { grid-column: 1 / -1; }
.fld label { font-family: var(--head); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.05em; }
.fld .req, .fld .opt { font-size: 0.66rem; font-weight: 700; letter-spacing: 0.08em; margin-left: 0.6em; padding: 0.1em 0.5em; vertical-align: 0.1em; }
.fld .req { background: var(--red); color: #FFF; }
.fld .opt { background: var(--paper); color: var(--muted); border: 1px solid var(--line); }
.fld input, .fld select, .fld textarea {
  font-family: var(--body); font-size: 0.92rem; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line-strong); border-radius: 0;
  padding: 0.6rem 0.7rem; width: 100%; line-height: 1.6;
}
.fld textarea { resize: vertical; }
.fld input:focus-visible, .fld select:focus-visible, .fld textarea:focus-visible { outline: 3px solid var(--navy); outline-offset: 1px; }
.apply-use { grid-column: 1 / -1; font-size: 0.78rem; color: var(--muted); line-height: 1.8; }
.apply-use a { color: var(--red); font-weight: 700; }
.apply-form .btn-cta { grid-column: 1 / -1; justify-self: center; min-width: min(100%, 22rem); }
.apply-result { grid-column: 1 / -1; font-size: 0.85rem; line-height: 1.8; }
.apply-result.is-on { border: 1px solid var(--line-strong); background: var(--paper); padding: 0.8rem 1rem; }

/* プライバシーポリシー（フッター折りたたみ） */
.policy { max-width: 720px; margin: 1.4rem auto 0; text-align: left; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.policy > summary { cursor: pointer; font-family: var(--head); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.08em; padding: 0.9rem 0.2rem; text-align: center; }
.policy > summary:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; }
.policy-body { padding: 0 0.2rem 1.2rem; }
.policy-note { font-size: 0.75rem; color: var(--muted); line-height: 1.8; margin-bottom: 0.8rem; }
.policy-body dt { font-family: var(--head); font-weight: 700; font-size: 0.8rem; letter-spacing: 0.05em; margin-top: 0.7rem; }
.policy-body dd { font-size: 0.78rem; color: var(--muted); line-height: 1.9; }

/* ── closing ── */
.closing { background: var(--navy); color: #FEFEFE; padding: clamp(3.5rem, 8vw, 6rem) 1.25rem; text-align: center; }
.closing-inner { max-width: 760px; margin: 0 auto; }
.closing-title {
  font-family: var(--head); font-weight: 900;
  font-size: clamp(1.7rem, 4.6vw, 2.8rem);
  letter-spacing: 0.06em; line-height: 1.5; margin-bottom: 1.1rem;
}
.closing-lead { color: #D8E1EE; font-size: 0.95rem; max-width: 36em; margin: 0 auto 1.8rem; }

/* ── footer ── */
.site-footer { border-top: 1px solid var(--line); padding: 2.2rem 1.25rem 2.6rem; text-align: center; }
.footer-brand { font-family: var(--head); font-weight: 900; font-size: 1.2rem; letter-spacing: 0.1em; margin-bottom: 0.5rem; }
.footer-info { font-size: 0.8rem; color: var(--muted); margin-bottom: 0.8rem; }
.footer-demo { font-size: 0.72rem; color: var(--muted); line-height: 1.8; }

/* ── responsive ── */
@media (max-width: 960px) {
  .jisseki-grid { grid-template-columns: 1fr; }
  .riyuu-grid, .course-grid, .koe-grid { grid-template-columns: 1fr 1fr; }
  .flow-grid { grid-template-columns: 1fr 1fr; }
  .course-tables { grid-template-columns: 1fr; }
  .dial-area { grid-template-columns: 1fr; justify-items: center; }
  .dial-read { width: 100%; }
}
@media (max-width: 780px) {
  /* counter-scroll: 780px未満は1カラム積み（プロンプト準拠） */
  .kiroku-wrap { grid-template-columns: 1fr; padding: 0; }
  .cs-seam { display: none; }
  .cs-right-inner { transform: none !important; }
  .kiroku-wrap { row-gap: clamp(1.2rem, 3vw, 2rem); }
}
@media (max-width: 640px) {
  .hero { padding-top: 1.6rem; padding-bottom: 1.8rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 1rem; }
  .hero-eyebrow { margin-bottom: 0.6rem; font-size: 0.7rem; }
  .hero-title { font-size: clamp(1.9rem, 9vw, 2.4rem); margin-bottom: 0.7rem; }
  .hero-lead { font-size: 0.88rem; line-height: 1.85; margin-bottom: 0; order: 4; }
  .hero-text { display: contents; }
  .hero-visual { order: 2; }
  .hero-cta-row { order: 3; margin-bottom: 0; }
  .hero-cta-row .btn-cta { width: 100%; }
  .hero-cap { display: none; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 0.5rem; margin-top: 1.4rem; }
  .stat-card { padding: 0.7rem 0.6rem 0.6rem; }
  .stat-num { font-size: 1.5rem; }
  .stat-label { font-size: 0.62rem; }
  .brand { flex-direction: column; align-items: flex-start; gap: 0.05rem; }
  .brand-sub { font-size: 0.58rem; letter-spacing: 0.06em; }
  .btn-cta-s { font-size: 0.72rem; padding: 0.5rem 0.7rem; letter-spacing: 0.02em; }
  .riyuu-grid, .course-grid, .flow-grid, .koe-grid { grid-template-columns: 1fr; }
  .apply-form { grid-template-columns: 1fr; }
  .bar-val { font-size: 0.82rem; }
  .data-table { font-size: 0.82rem; }
  .data-table th, .data-table td { padding: 0.45rem 0.5rem; }
  .dial-ring { width: 280px; height: 280px; --dial-tr: 123px; --dial-lr: 106px; }
  .dial-knob { width: 182px; height: 182px; margin: -91px 0 0 -91px; }
  .dial-needle { height: 82px; }
}
@media (max-width: 350px) {
  /* 320px: ヘッダーのブランド副題とCTAを1行ずつに収める */
  .header-inner { padding: 0.6rem 0.8rem; gap: 0.6rem; }
  .brand-name { font-size: 1.2rem; }
  .brand-sub { font-size: 0.52rem; letter-spacing: 0.02em; }
  .btn-cta-s { font-size: 0.68rem; padding: 0.45rem 0.55rem; }
  .btn-cta { white-space: nowrap; }
  .dial-ring { width: 240px; height: 240px; --dial-tr: 104px; --dial-lr: 90px; }
  .dial-knob { width: 156px; height: 156px; margin: -78px 0 0 -78px; }
  .dial-needle { height: 70px; }
  .dial-label { font-size: 0.72rem; padding: 0 0.2em; }
}