/* ============================================
   Dr.ウッディの爽快！おそうじ相談室 共通スタイル
   ============================================ */
:root {
  /* カラー */
  --blue-deep: #0b63c4;
  --blue-main: #0071bc;
  --blue-sky: #29abe2;
  --blue-pale: #f0f8fe;
  --blue-line: #d3e9f8;
  --navy: #16436e;
  --navy-deep: #0d2c4d;
  --yellow: #ffd23f;
  --yellow-deep: #f5a800;
  --orange: #ff7043;
  --text: #2a3f52;
  --text-sub: #5a7184;
  --white: #ffffff;

  /* タイポグラフィ */
  --font-head: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  --font-body: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic Medium", "Yu Gothic", "BIZ UDGothic", sans-serif;

  /* 角丸・影 */
  --radius-s: 8px;
  --radius: 12px;
  --radius-l: 20px;
  --shadow-s: 0 1px 2px rgba(13, 44, 77, 0.05), 0 3px 10px rgba(13, 44, 77, 0.06);
  --shadow-m: 0 2px 4px rgba(13, 44, 77, 0.05), 0 12px 28px rgba(13, 44, 77, 0.10);
  --shadow-hover: 0 4px 8px rgba(13, 44, 77, 0.06), 0 18px 36px rgba(13, 44, 77, 0.14);

  /* 余白（8pxグリッド） */
  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 32px;
  --sp-5: 48px;
  --sp-6: 64px;
  --sp-7: 88px;
}

/* ============================================
   TOP PAGE / 2026 RENEWAL
   スルガ銀行採用サイトの、白い余白・大きな角丸・
   イラストを大胆に配した構成を本サイト向けに再設計。
   ============================================ */
.home-page {
  --ink: #102f4d;
  --muted: #668096;
  --fresh-blue: #55aaf0;
  --light-blue: #eaf7ff;
  --acid-yellow: #ffe553;
  --panel-radius: 30px;
  background: #fff;
  color: var(--ink);
  line-height: 1.85;
}

.home-page .container { max-width: 1180px; padding-inline: 30px; }

.home-page .site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, .95);
  border: 0;
  z-index: 100;
}
.home-page .site-header .inner {
  max-width: 1240px;
  min-height: 92px;
  padding: 12px 30px;
  flex-wrap: nowrap;
}
.home-page .site-logo img { width: 220px; height: auto; }
.home-page .global-nav { gap: 28px; align-items: center; }
.home-page .global-nav a {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 700;
  white-space: nowrap;
}
.home-page .global-nav a span {
  font-family: Arial, sans-serif;
  font-size: .62rem;
  color: var(--blue-main);
  letter-spacing: .08em;
}
.home-page .global-nav a::after { left: 0; right: 0; bottom: 2px; background: var(--acid-yellow); }

.home-page .hero {
  max-width: 1360px;
  padding: 14px 28px 80px;
  margin: 0 auto;
  background: #fff;
  color: #fff;
  text-align: center;
}
.hero-panel {
  position: relative;
  isolation: isolate;
  min-height: 650px;
  border-radius: var(--panel-radius);
  overflow: hidden;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 45%, rgba(255,255,255,.12), transparent 34%),
    linear-gradient(135deg, #75bdf4 0%, #55aaf0 52%, #3f92dc 100%);
}
.hero-panel::before,
.hero-panel::after {
  content: "";
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 50%;
}
.hero-panel::before { width: 690px; height: 690px; left: calc(50% - 345px); top: -20px; }
.hero-panel::after { width: 510px; height: 510px; left: calc(50% - 255px); top: 70px; }
.hero-copy { position: relative; z-index: 3; width: min(780px, 72%); padding-bottom: 70px; }
.hero-kicker {
  margin-bottom: 18px;
  font-family: Arial, sans-serif;
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .32em;
}
.home-page .hero h1 {
  position: static;
  width: auto;
  height: auto;
  clip: auto;
  overflow: visible;
  color: #fff;
  font-size: clamp(2rem, 4vw, 3.6rem);
  font-weight: 700;
  line-height: 1.48;
  letter-spacing: .09em;
}
.home-page .hero h1 em { color: var(--acid-yellow); font-style: normal; }
.home-page .hero h1 > span { display: inline-block; white-space: nowrap; }
.home-page .hero .sub { margin-top: 24px; font-size: 1rem; letter-spacing: .08em; }
.home-page .hero .catch-sub { margin-top: 2px; font-size: .88rem; }
.home-page .hero .btn { margin-top: 30px; }
.home-page .hero .credit { margin-top: 22px; font-size: .7rem; letter-spacing: .05em; }
.home-page .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 42px;
  padding: 15px 20px 15px 30px;
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 12px 34px rgba(16,47,77,.2);
}
.home-page .btn-primary span,
.home-page .register-copy a span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--acid-yellow);
}
.home-page .btn-primary:hover { background: #fff; box-shadow: 0 16px 42px rgba(16,47,77,.28); }
.hero-character { position: absolute; z-index: 2; pointer-events: none; filter: drop-shadow(0 16px 18px rgba(15,61,100,.15)); }
.hero-character-left { width: 250px; left: -18px; bottom: -44px; transform: rotate(7deg); }
.hero-character-right { width: 242px; right: -12px; top: -46px; transform: rotate(-171deg); }
.hero-brand {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  width: 300px;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(16,47,77,.18);
}
.hero-orb {
  position: absolute;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 18px 18px 18px 5px;
  font: 900 1.35rem var(--font-head);
  color: #fff;
  transform: rotate(-8deg);
}
.orb-a { left: 22%; top: 20%; background: #7356c5; }
.orb-b { right: 19%; top: 24%; background: #ff7398; transform: rotate(9deg); }
.orb-c { left: 18%; bottom: 17%; background: #85cc26; transform: rotate(5deg); }
.orb-d { right: 21%; bottom: 20%; background: #2277d0; transform: rotate(-12deg); }
.hero-scroll { position: absolute; left: 50%; bottom: 16px; display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--ink); font: 700 .58rem Arial, sans-serif; letter-spacing: .22em; }
.hero-scroll span { width: 1px; height: 34px; background: var(--ink); }

.home-page .section { padding: 120px 0; }
.section-heading { margin-bottom: 58px; text-align: center; }
.section-heading.heading-inline { display: flex; justify-content: space-between; align-items: end; text-align: left; }
.section-heading.heading-inline > p { color: var(--muted); font-size: .9rem; line-height: 1.8; text-align: right; }
.home-page .eyebrow {
  margin-bottom: 12px;
  color: var(--blue-main);
  font: 700 .72rem Arial, sans-serif;
  letter-spacing: .24em;
}
.home-page .section-title { margin: 0; color: var(--ink); font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.25; letter-spacing: .04em; text-align: inherit; }
.home-page .section-title::after { display: none; }
.home-page .section-lead { margin: 24px 0 0; color: var(--muted); font-size: 1rem; }

.home-page .latest { margin: 0; padding-top: 110px; padding-bottom: 130px; }
.home-page .latest-card {
  padding: 0;
  overflow: hidden;
  display: grid;
  grid-template-columns: 46% 54%;
  gap: 0;
  min-height: 460px;
  border: 0;
  border-radius: var(--panel-radius);
  background: #f2f9fd;
  box-shadow: none;
}
.latest-visual { position: relative; overflow: hidden; min-height: 460px; background: var(--acid-yellow); }
.latest-visual::before { content: ""; position: absolute; width: 430px; height: 430px; left: -40px; bottom: -100px; border: 2px solid rgba(16,47,77,.1); border-radius: 50%; }
.latest-visual img { position: absolute; z-index: 2; width: 245px; height: auto; right: 10%; bottom: -35px; }
.latest-visual .label-new { position: absolute; z-index: 3; left: 30px; top: 28px; margin: 0; padding: 7px 16px; background: var(--ink); font-family: Arial, sans-serif; }
.visual-word { position: absolute; left: 24px; bottom: 8px; color: rgba(16,47,77,.09); font: 900 6rem Arial, sans-serif; letter-spacing: -.04em; }
.home-page .latest-card .body { align-self: center; padding: 50px 64px; }
.home-page .latest-card .meta { color: var(--blue-main); font-family: Arial, sans-serif; font-size: .72rem; font-weight: 700; letter-spacing: .08em; }
.home-page .latest-card .meta span { display: inline-block; width: 22px; height: 1px; margin: 0 8px 3px; background: var(--blue-main); }
.home-page .latest-card h3 { margin: 20px 0; color: var(--ink); font-size: clamp(1.45rem, 2.5vw, 2rem); line-height: 1.55; }
.home-page .latest-card h3 a { color: inherit; text-decoration: none; transition: color .2s; }
.home-page .latest-card h3 a:hover { color: var(--blue-main); }
.home-page .latest-card p.excerpt { color: var(--muted); font-size: .92rem; }

.home-page .more-link { margin-top: 28px; color: var(--ink); font-size: .88rem; }
.home-page .more-link::after { width: 30px; height: 30px; border-radius: 50%; background: var(--ink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8h9M8.5 4.5L12 8l-3.5 3.5' fill='none' stroke='%23fff' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center / 16px; }

.intro-section { background: var(--light-blue); }
.home-page .site-intro { max-width: 1040px; padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.home-page .site-intro article { padding: 42px 0; border-top: 1px solid #bcdcec; }
.home-page .site-intro article:last-child { border-bottom: 1px solid #bcdcec; }
.home-page .site-intro h3 { margin: 0 0 16px; padding: 0; border: 0; color: var(--ink); font-size: 1.35rem; }
.home-page .site-intro p { color: #45647c; font-size: .94rem; }

.backnumber-section { background: #fff; }
.home-page .backnumber-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
.home-page .bn-card { border: 0; border-radius: 20px; background: #f5f9fc; box-shadow: none; }
.home-page .bn-card:hover { transform: translateY(-7px); box-shadow: 0 20px 42px rgba(16,47,77,.12); }
.home-page .bn-card .bn-head { padding: 20px 22px 16px; }
.home-page .bn-card .bn-head span:first-child { padding: 0; border: 0; background: transparent; color: var(--ink); font-family: var(--font-body); font-size: .72rem; }
.home-page .bn-card .bn-head time { color: var(--muted); font: 700 .68rem Arial, sans-serif; letter-spacing: .05em; }
.bn-visual {
  --card-accent: #65b3eb;
  position: relative;
  isolation: isolate;
  height: 220px;
  overflow: hidden;
  padding: 24px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  background: var(--card-accent);
}
.bn-visual::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 250px;
  height: 250px;
  right: -55px;
  top: -70px;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(255,255,255,.08), 0 0 0 68px rgba(255,255,255,.06);
}
.bn-visual::after {
  content: "ISSUE";
  position: absolute;
  top: 22px;
  left: 24px;
  color: rgba(255,255,255,.85);
  font: 700 .62rem Arial, sans-serif;
  letter-spacing: .22em;
}
.bn-visual span {
  color: rgba(255,255,255,.9);
  font: 900 6.4rem/1 Arial, sans-serif;
  letter-spacing: -.07em;
}
.bn-visual strong {
  position: relative;
  margin-bottom: 9px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(16,47,77,.88);
  color: #fff;
  font-family: var(--font-head);
  font-size: .7rem;
  letter-spacing: .04em;
}
/* カードを増やすだけで6色が自動循環。48本以上でも個別画像は不要。 */
.home-page .bn-card:nth-child(6n + 1) .bn-visual { --card-accent: #65b3eb; }
.home-page .bn-card:nth-child(6n + 2) .bn-visual { --card-accent: #f4c64f; }
.home-page .bn-card:nth-child(6n + 3) .bn-visual { --card-accent: #67c9b3; }
.home-page .bn-card:nth-child(6n + 4) .bn-visual { --card-accent: #8a78d1; }
.home-page .bn-card:nth-child(6n + 5) .bn-visual { --card-accent: #f28ca4; }
.home-page .bn-card:nth-child(6n) .bn-visual { --card-accent: #68a7bd; }
.home-page .bn-card .bn-body { padding: 26px 24px 30px; }
.home-page .bn-card h3 { margin-bottom: 14px; color: var(--ink); font-size: 1.08rem; line-height: 1.65; }
.home-page .bn-card p { color: var(--muted); font-size: .85rem; }
.home-page .bn-card .more-link { margin-top: 20px; }
.home-page .bn-coming { grid-column: 1 / -1; min-height: auto; display: grid; grid-template-columns: 150px 180px 1fr; align-items: center; gap: 24px; padding: 28px 34px; border: 1px solid #bcdcec; border-radius: 18px; background: #fff; text-align: left; }
.home-page .bn-coming:hover { transform: none; box-shadow: none; }
.home-page .bn-coming .coming-label { color: var(--blue-main); font: 700 .7rem Arial, sans-serif; letter-spacing: .18em; }
.home-page .bn-coming strong { margin: 0; color: var(--ink); }
.home-page .bn-coming time { color: var(--muted); font-size: .76rem; }
.home-page .bn-coming small { grid-column: 3; color: var(--muted); }

.home-page .about { background: var(--ink); color: #fff; }
.home-page .about-heading .eyebrow { color: var(--acid-yellow); }
.home-page .about-heading .section-title { color: #fff; }
.home-page .about-card { display: grid; grid-template-columns: 42% 58%; align-items: stretch; gap: 0; overflow: hidden; border-radius: 0; background: #fff; color: var(--ink); }
.home-page .about-card .char {
  position: relative;
  width: auto;
  min-height: 600px;
  overflow: hidden;
  background-color: var(--fresh-blue);
  background-image:
    linear-gradient(rgba(255,255,255,.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.13) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px, 8px 8px, 8px 8px;
}
.home-page .about-card .char::before {
  content: "H₂O   pH   CO₂";
  display: block;
  position: absolute;
  z-index: 1;
  top: 28px;
  right: 24px;
  bottom: auto;
  left: auto;
  width: 100px;
  height: auto;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: rgba(255,255,255,.72);
  font: 700 16px/1.55 Arial, sans-serif;
  letter-spacing: .12em;
  text-align: right;
  transform: none;
}
.home-page .about-card .char::after {
  content: "SCIENCE OF CLEANING";
  position: absolute;
  z-index: 3;
  top: 28px;
  left: 20px;
  color: #fff;
  font: 700 13px/1 Arial, sans-serif;
  letter-spacing: .12em;
  writing-mode: vertical-rl;
}
.char-ring {
  position: absolute;
  z-index: 1;
  width: 200px;
  height: 200px;
  right: -38px;
  top: 120px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 50%;
  box-shadow: inset 0 0 0 32px rgba(255,255,255,.05);
}
.home-page .about-card .char img { position: absolute; z-index: 2; width: 310px; height: auto; left: 50%; bottom: -28px; transform: translateX(-50%); }
.home-page .about-card .body { align-self: center; padding: 60px 66px; }
.about-catch { margin-bottom: 30px !important; font: 700 clamp(1.7rem, 3vw, 2.45rem)/1.55 var(--font-head) !important; }
.about-catch em { color: var(--blue-main); font-style: normal; }
.home-page .about-card .body > p:not(.about-catch) { color: #4c657a; font-size: .92rem; }
.home-page .profile-note { margin-top: 28px; padding: 18px 20px; border-left: 3px solid var(--acid-yellow); border-radius: 0; background: #edf7fd; color: var(--muted); }
.home-page .supervisor-card { display: grid; grid-template-columns: 230px 1fr; gap: 52px; margin-top: 48px; padding: 46px 52px; border: 1px solid rgba(255,255,255,.25); border-radius: 20px; background: transparent; }
.supervisor-label span { color: var(--acid-yellow); font: 700 .65rem Arial, sans-serif; letter-spacing: .2em; }
.home-page .supervisor-card h3 { margin-top: 8px; padding: 0; border: 0; color: #fff; }
.home-page .supervisor-card p { color: #c9d8e4; }
.home-page .supervisor-card a { color: #fff; }
.home-page .supervisor-card a:hover { text-decoration: underline; }
.home-page .supervisor-name { color: #fff !important; font-size: 1.45rem !important; }
.home-page .supervisor-name span { color: #aac0d0; }
.home-page .supervisor-link a { display: inline-flex; align-items: center; color: var(--acid-yellow); border-bottom: 1px solid currentColor; }

.home-page .register { padding: 100px 0; background: var(--acid-yellow); color: var(--ink); text-align: left; }
.register-inner { display: grid; grid-template-columns: 48% 52%; align-items: center; }
.home-page .register .eyebrow { color: var(--ink); }
.home-page .register .section-title { color: var(--ink); }
.register-copy { padding-left: 70px; border-left: 1px solid rgba(16,47,77,.25); }
.home-page .register-copy p { margin: 0 0 10px; color: #40566a; opacity: 1; }
.home-page .register-copy a { display: inline-flex; align-items: center; gap: 34px; margin-top: 25px; padding: 12px 13px 12px 24px; border-radius: 999px; background: var(--ink); color: #fff; font-family: var(--font-head); font-weight: 700; text-decoration: none; transition: transform .2s, box-shadow .2s; }
.home-page .register-copy a:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(16,47,77,.3); }
.home-page .register-copy a span { background: #fff; color: var(--ink); }

.home-page .site-footer { display: grid; grid-template-columns: 240px 1fr; align-items: center; gap: 30px; padding: 52px max(30px, calc((100vw - 1180px) / 2)); background: #fff; color: var(--muted); text-align: right; }
.footer-brand { display: inline-block; transition: opacity .2s; }
.footer-brand:hover { opacity: .8; }
.footer-brand img { width: 220px; border-radius: 7px; }
.home-page .site-footer .links { justify-content: flex-end; margin: 0 0 8px; }
.home-page .site-footer a { color: var(--ink); }
.home-page .site-footer .copy { grid-column: 2; font-size: .7rem; }

@media (max-width: 960px) {
  .home-page .site-header .inner { min-height: 78px; }
  .home-page .site-logo img { width: 185px; }
  .home-page .global-nav { gap: 14px; }
  .home-page .global-nav a { font-size: .72rem; }
  .hero-panel { min-height: 600px; }
  .hero-character-left { width: 205px; }
  .hero-character-right { width: 195px; }
  .home-page .latest-card .body { padding: 42px; }
  .home-page .backnumber-grid { grid-template-columns: repeat(2, 1fr); }
  .home-page .bn-coming { grid-column: 1 / -1; }
  .home-page .about-card .body { padding: 46px; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 88px; }
  .home-page .container { padding-inline: 20px; }
  .home-page .site-header .inner { min-height: 76px; padding: 8px 18px; justify-content: center; }
  .home-page .site-logo img { width: 180px; }
  .home-page .global-nav { display: none; }
  .home-page .hero { padding: 4px 12px 62px; }
  .hero-panel { min-height: 640px; border-radius: 22px; place-items: start center; }
  .hero-panel::before { width: 500px; height: 500px; left: calc(50% - 250px); top: 70px; }
  .hero-panel::after { width: 350px; height: 350px; left: calc(50% - 175px); top: 145px; }
  .hero-copy { width: calc(100% - 32px); padding: 74px 8px 0; }
  .hero-kicker { font-size: .62rem; }
  .home-page .hero h1 { font-size: clamp(1.5rem, 7vw, 1.85rem); line-height: 1.55; letter-spacing: .02em; }
  .home-page .hero h1 > span { font-size: .88em; }
  .home-page .hero .sub { width: 82%; margin: 20px auto 0; font-size: .88rem; }
  .home-page .hero .catch-sub { font-size: .78rem; }
  .home-page .hero .credit { position: static; width: auto; margin-top: 18px; padding: 0 32px; font-size: .56rem; line-height: 1.6; }
  .home-page .hero .btn { margin-top: 26px; font-size: .86rem; }
  .hero-character-left { width: 126px; left: -13px; bottom: -15px; }
  .hero-character-right { width: 105px; right: -8px; top: -42px; }
  .hero-brand { width: 205px; bottom: 18px; }
  .hero-orb { width: 36px; height: 36px; border-radius: 13px 13px 13px 4px; font-size: 1rem; }
  .orb-a { left: 10%; top: 42%; }
  .orb-b { right: 9%; top: 42%; }
  .orb-c { left: 24%; bottom: 20%; }
  .orb-d { right: 25%; bottom: 21%; }
  .hero-scroll { bottom: 8px; }

  .home-page .section { padding: 82px 0; }
  .section-heading { margin-bottom: 36px; }
  .section-heading.heading-inline { display: block; }
  .section-heading.heading-inline > p { margin-top: 18px; text-align: left; }
  .home-page .section-title { font-size: 2rem; }
  .home-page .section-lead { font-size: .88rem; }

  .home-page .latest { padding-top: 78px; padding-bottom: 90px; }
  .home-page .latest-card { display: block; min-height: 0; border-radius: 22px; }
  .latest-visual { min-height: 315px; }
  .latest-visual img { width: 175px; right: 22%; bottom: -36px; }
  .visual-word { font-size: 4.7rem; }
  .home-page .latest-card .body { padding: 30px 24px 36px; }
  .home-page .latest-card h3 { font-size: 1.32rem; }

  .home-page .site-intro article { padding: 32px 0; }
  .home-page .site-intro h3 { font-size: 1.1rem; line-height: 1.65; }
  .home-page .site-intro p { font-size: .88rem; }

  .home-page .backnumber-grid { grid-template-columns: 1fr; gap: 22px; }
  .bn-visual { height: 210px; }
  .home-page .bn-coming { display: block; padding: 28px 24px; text-align: center; }
  .home-page .bn-coming > * { display: block; margin: 8px 0; }

  .home-page .about-card { display: block; border-radius: 0; }
  .home-page .about-card .char { min-height: 390px; }
  .char-ring { width: 145px; height: 145px; right: -28px; left: auto; top: 88px; box-shadow: inset 0 0 0 24px rgba(255,255,255,.05); }
  .home-page .about-card .char img { width: 225px; bottom: -20px; }
  .home-page .about-card .body { padding: 34px 24px 38px; }
  .about-catch { font-size: 1.55rem !important; }
  .home-page .supervisor-card { display: block; padding: 30px 24px; }
  .supervisor-label { margin-bottom: 24px; }

  .home-page .register { padding: 76px 0; }
  .register-inner { display: block; }
  .register-copy { margin-top: 34px; padding: 30px 0 0; border-left: 0; border-top: 1px solid rgba(16,47,77,.25); }
  .home-page .register-copy p { font-size: .88rem; }
  .home-page .register-copy a { gap: 20px; font-size: .82rem; }

  .home-page .site-footer { display: block; padding: 42px 20px; text-align: center; }
  .footer-brand img { margin: 0 auto 28px; }
  .home-page .site-footer .links { justify-content: center; gap: 14px 20px; }
  .home-page .site-footer .copy { margin-top: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .home-page *, .home-page *::before, .home-page *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px; /* stickyヘッダー分 */
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--blue-pale);
  line-height: 1.85;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-feature-settings: "palt";
  letter-spacing: 0.04em;
  line-height: 1.5;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-deep); }

:focus-visible {
  outline: 3px solid var(--yellow-deep);
  outline-offset: 2px;
  border-radius: 4px;
}

.container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }

/* ---------- ヘッダー ---------- */
.site-header {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--blue-line);
}
.site-header .inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: opacity .2s;
}
.site-logo:hover { opacity: .8; }
.site-logo img { height: 38px; width: auto; }
.site-logo span {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--navy);
  font-size: 0.95rem;
  line-height: 1.3;
}
.global-nav { display: flex; gap: 2px; flex-wrap: wrap; }
.global-nav a {
  position: relative;
  text-decoration: none;
  color: var(--navy);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.03em;
  padding: 8px 12px;
  transition: color 0.2s;
}
.global-nav a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 3px;
  height: 2px;
  border-radius: 1px;
  background: var(--blue-sky);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}
.global-nav a:hover { color: var(--blue-main); }
.global-nav a:hover::after { transform: scaleX(1); }

/* ---------- ヒーロー ---------- */
.hero {
  /* バナー画像と同系の青＋バナーと同じ科学モチーフの線画 */
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='560' height='420' viewBox='0 0 560 420'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.12' stroke-width='2'%3E%3Ccircle cx='64' cy='72' r='14'/%3E%3Ccircle cx='98' cy='42' r='7'/%3E%3Ccircle cx='498' cy='88' r='17'/%3E%3Ccircle cx='468' cy='332' r='9'/%3E%3Ccircle cx='118' cy='330' r='12'/%3E%3Ccircle cx='330' cy='302' r='10'/%3E%3Ccircle cx='367' cy='281' r='7'/%3E%3Ccircle cx='359' cy='324' r='6'/%3E%3Cpath d='M339 296l20-10M337 308l15 11'/%3E%3Cpath d='M206 286h14v20l15 25a7 7 0 01-6 11h-32a7 7 0 01-6-11l15-25z'/%3E%3Cpath d='M202 286h22'/%3E%3C/g%3E%3Cg fill='%23ffffff' fill-opacity='.15'%3E%3Cpath d='M420 58l4 10 10 4-10 4-4 10-4-10-10-4 10-4z'/%3E%3Cpath d='M150 178l3 8 8 3-8 3-3 8-3-8-8-3 8-3z'/%3E%3Ccircle cx='260' cy='120' r='3'/%3E%3Ccircle cx='520' cy='210' r='3'/%3E%3Ccircle cx='40' cy='230' r='3'/%3E%3C/g%3E%3C/svg%3E"),
    radial-gradient(ellipse 100% 55% at 50% 10%, rgba(255, 255, 255, 0.15), transparent 65%),
    linear-gradient(175deg, #2f9be2 0%, #1a7fd2 55%, #0e67be 100%);
  background-repeat: repeat, no-repeat, no-repeat;
  background-size: 560px 420px, auto, auto;
  color: var(--white);
  padding: 56px 20px 128px;
  text-align: center;
}
.hero .banner {
  max-width: 560px;
  width: 100%;
  margin: 0 auto var(--sp-4);
  border-radius: var(--radius);
  filter: drop-shadow(0 16px 30px rgba(8, 45, 85, 0.35));
}
.hero h1 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.hero .catch-main {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.45rem, 3.4vw, 1.9rem);
  letter-spacing: 0.05em;
  font-feature-settings: "palt";
  line-height: 1.6;
}
.hero .catch-main .marker {
  background: linear-gradient(transparent 78%, var(--yellow) 78%);
  padding: 0 2px;
}
.hero .sub {
  margin-top: var(--sp-2);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  opacity: 0.96;
}
.hero .catch-sub {
  margin-top: 6px;
  font-size: 0.95rem;
  opacity: 0.88;
}
.hero .credit {
  margin-top: var(--sp-3);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  opacity: 0.75;
}
.hero-buttons {
  margin-top: var(--sp-4);
  display: flex;
  gap: var(--sp-2);
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 15px 40px;
  border-radius: 999px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--yellow);
  color: #1e3348;
  font-size: 1.02rem;
  box-shadow: 0 6px 16px rgba(8, 45, 85, 0.28);
}
.btn-primary:hover {
  background: #ffdb5f;
  box-shadow: 0 10px 24px rgba(8, 45, 85, 0.32);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.14);
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.7);
}

/* ---------- セクション共通 ---------- */
.section { padding: var(--sp-7) 0; }
.section-title {
  text-align: center;
  font-size: 1.6rem;
  color: var(--navy);
  margin-bottom: var(--sp-2);
}
.section-title::after {
  content: "";
  display: block;
  width: 44px;
  height: 5px;
  border-radius: 3px;
  background: var(--yellow);
  margin: 14px auto 0;
}
.section-lead {
  text-align: center;
  color: var(--text-sub);
  font-size: 0.95rem;
  margin-bottom: var(--sp-5);
}

/* ---------- 最新号 ---------- */
.latest { margin-top: -80px; position: relative; z-index: 2; padding-top: 0; padding-bottom: 0; }
.latest-card {
  background: var(--white);
  border: 1px solid var(--blue-line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
  padding: 36px 40px;
  display: flex;
  gap: var(--sp-4);
  align-items: center;
}
.latest-card .char {
  position: relative;
  flex: 0 0 140px;
}
.latest-card .char::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%);
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: var(--blue-pale);
  border: 1px solid var(--blue-line);
}
.latest-card .char img { position: relative; }
.latest-card .body { flex: 1; }
.label-new {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 12px;
  border-radius: 999px;
  margin-right: 8px;
  vertical-align: middle;
}
.latest-card .meta {
  font-size: 0.82rem;
  color: var(--text-sub);
  font-feature-settings: "tnum";
}
.latest-card h2 { font-size: 1.35rem; margin: 10px 0 10px; color: var(--navy); }
.latest-card h2 a { color: inherit; text-decoration: none; transition: color 0.2s; }
.latest-card h2 a:hover { color: var(--blue-main); }
.latest-card p.excerpt { font-size: 0.92rem; color: var(--text-sub); }
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: var(--sp-2);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--blue-main);
  text-decoration: none;
}
.more-link::after {
  content: "";
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M2 8h11M9 3.5L13.5 8 9 12.5' fill='none' stroke='%230071bc' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center / contain;
  transition: transform 0.2s ease;
}
.more-link:hover::after { transform: translateX(4px); }

/* ---------- バックナンバー ---------- */
.backnumber-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-3);
}
.bn-card {
  background: var(--white);
  border: 1px solid var(--blue-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-s);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.bn-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #a9d7f2;
}
.bn-card .bn-head {
  padding: 18px 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-1);
}
.bn-card .bn-head span:first-child {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue-deep);
  background: var(--blue-pale);
  border: 1px solid var(--blue-line);
  padding: 3px 12px;
  border-radius: 999px;
  white-space: nowrap;
}
.bn-card .bn-head span:last-child {
  font-size: 0.78rem;
  color: var(--text-sub);
  font-feature-settings: "tnum";
}
.bn-card .bn-body { padding: 14px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.bn-card h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--navy); }
.bn-card h3 a { color: inherit; text-decoration: none; transition: color 0.2s; }
.bn-card h3 a:hover { color: var(--blue-main); }
.bn-card p { font-size: 0.87rem; color: var(--text-sub); flex: 1; }
.bn-card .more-link { font-size: 0.88rem; margin-top: 12px; }
.bn-coming {
  border: 2px dashed var(--blue-line);
  background: rgba(255, 255, 255, 0.5);
  box-shadow: none;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 28px 20px;
  color: var(--text-sub);
  font-size: 0.88rem;
}
.bn-coming:hover { transform: none; box-shadow: none; border-color: var(--blue-line); }
.bn-coming strong {
  color: var(--blue-main);
  font-family: var(--font-head);
  display: block;
  margin-bottom: 4px;
}

/* ---------- このサイトについて ---------- */
.site-intro {
  background: var(--white);
  border: 1px solid var(--blue-line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-s);
  padding: 44px 48px;
  max-width: 820px;
  margin: 0 auto;
}
.site-intro p { font-size: 0.96rem; }
.site-intro p + p { margin-top: 1em; }
.site-intro h3 {
  color: var(--navy);
  font-size: 1.15rem;
  border-left: 4px solid var(--yellow);
  padding: 2px 0 2px 16px;
  margin: 2.2em 0 0.9em;
}
.site-intro h3:first-child { margin-top: 0; }

/* ---------- Dr.ウッディ紹介 ---------- */
.about { background: var(--white); }
.about-card {
  display: flex;
  gap: var(--sp-5);
  align-items: center;
}
.about-card .char {
  position: relative;
  flex: 0 0 220px;
}
.about-card .char::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%);
  width: 205px;
  height: 205px;
  border-radius: 50%;
  background: var(--blue-pale);
  border: 1px solid var(--blue-line);
}
.about-card .char img { position: relative; }
.about-card .body { flex: 1; }
.about-card h3 { color: var(--navy); font-size: 1.25rem; margin-bottom: 12px; }
.about-card p { font-size: 0.95rem; margin-bottom: 14px; }
.profile-note {
  background: var(--blue-pale);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 0.85rem;
  color: var(--text-sub);
}

/* 監修者プロフィール */
.supervisor-card {
  margin-top: var(--sp-5);
  background: var(--blue-pale);
  border: 1px solid var(--blue-line);
  border-radius: var(--radius-l);
  padding: 36px 40px;
}
.supervisor-card h3 {
  color: var(--navy);
  font-size: 1.05rem;
  margin-bottom: var(--sp-2);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--blue-line);
}
.supervisor-name {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
}
.supervisor-name span { font-size: 0.85rem; font-weight: 400; color: var(--text-sub); margin-left: 6px; }
.supervisor-title { font-size: 0.9rem; font-weight: 700; margin-bottom: 12px; }
.supervisor-card p { font-size: 0.9rem; margin-bottom: 10px; }
.supervisor-link { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; margin-top: var(--sp-2); }
.supervisor-link a { font-weight: 700; text-decoration: none; }
.supervisor-link a:hover { text-decoration: underline; }

/* ---------- X導線 ---------- */
.register {
  background: var(--navy);
  color: var(--white);
  text-align: center;
}
.register .section-title { color: var(--white); }
.register p { max-width: 640px; margin: 0 auto var(--sp-3); font-size: 0.95rem; opacity: 0.95; }
.register .note { font-size: 0.8rem; opacity: 0.8; margin-top: var(--sp-2); }
.x-follow {
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.9rem;
}
.x-follow p { margin-bottom: var(--sp-2); }
.x-follow a {
  display: inline-block;
  background: var(--white);
  color: var(--navy);
  font-family: var(--font-head);
  font-weight: 700;
  text-decoration: none;
  padding: 11px 28px;
  border-radius: 999px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.x-follow a:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.25);
}

/* ---------- フッター ---------- */
.site-footer {
  background: var(--navy-deep);
  color: #bcd6ec;
  padding: var(--sp-5) 20px;
  text-align: center;
  font-size: 0.82rem;
}
.site-footer a { color: #bcd6ec; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer .links { margin-bottom: var(--sp-2); display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }
.site-footer .copy { opacity: 0.65; }

/* ============================================
   記事ページ
   ============================================ */
.article-hero {
  background: var(--blue-deep);
  color: var(--white);
  padding: 44px 20px;
}
.article-hero .inner { max-width: 760px; margin: 0 auto; }
.article-hero .vol {
  display: inline-block;
  background: var(--yellow);
  color: #1e3348;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 3px 14px;
  border-radius: 999px;
}
.article-hero h1 { font-size: 1.5rem; margin: 14px 0 8px; line-height: 1.6; }
.article-hero .meta { font-size: 0.85rem; opacity: 0.9; }

.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--sp-5) 20px var(--sp-3);
  background: transparent;
}
.article-body > * + * { margin-top: 1.2em; }
.article-body h2 {
  color: var(--navy);
  font-size: 1.25rem;
  background: var(--white);
  border: 1px solid var(--blue-line);
  border-left: 5px solid var(--yellow);
  padding: 10px 18px;
  border-radius: var(--radius-s);
  margin-top: 2.2em;
}
.article-body h3 {
  color: var(--blue-main);
  font-size: 1.05rem;
  margin-top: 1.8em;
}
.article-body p { font-size: 0.97rem; }
.article-body ul { padding-left: 1.4em; }
.article-body li { margin: 0.3em 0; font-size: 0.95rem; }

/* Dr.ウッディの吹き出し */
.woody-talk {
  display: flex;
  gap: 14px;
  align-items: flex-end;
  margin-top: 2em;
}
.woody-talk img { width: 84px; flex-shrink: 0; }
.woody-talk .bubble {
  background: var(--white);
  border: 2px solid var(--blue-sky);
  border-radius: 16px;
  padding: 14px 18px;
  font-size: 0.92rem;
  position: relative;
}
.woody-talk .bubble::before {
  content: "";
  position: absolute;
  left: -12px;
  bottom: 18px;
  border: 6px solid transparent;
  border-right-color: var(--blue-sky);
}

/* 会話（メルマガ本文の対話形式） */
.narration {
  background: var(--white);
  border: 1px solid var(--blue-line);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 0.92rem;
  color: var(--text-sub);
}
.talk {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 1.6em;
}
.talk .avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  background: var(--white);
  border: 2px solid var(--blue-line);
  flex-shrink: 0;
}
.talk .say { max-width: 82%; }
.talk .name {
  display: block;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-sub);
  margin: 0 6px 4px;
}
.talk .say p {
  background: var(--white);
  border-radius: 16px;
  padding: 12px 18px;
  font-size: 0.95rem;
  margin: 0;
}
.talk.woody .say p {
  border: 2px solid var(--blue-sky);
  border-top-left-radius: 4px;
}
.talk.tanaka { flex-direction: row-reverse; }
.talk.tanaka .avatar { border-color: #ffe08a; }
.talk.tanaka .name { text-align: right; }
.talk.tanaka .say p {
  background: #fff6d9;
  border: 2px solid var(--yellow);
  border-top-right-radius: 4px;
}

/* 挿絵風の一言（原稿の吹き出しカット） */
.pull-quote {
  display: flex;
  gap: var(--sp-2);
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1px solid var(--blue-line);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-top: 2em;
}
.pull-quote img { width: 90px; flex-shrink: 0; }
.pull-quote p {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--navy);
  font-size: 0.95rem;
  margin: 0;
}

/* 学習コンテンツ（クイズ・ポッドキャスト） */
.learn-box {
  background: var(--blue-pale);
  border: 1px solid var(--blue-line);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-top: 2.4em;
  text-align: center;
}
.learn-box .box-title {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}
.learn-box .learn-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.learn-box a.btn-learn {
  display: inline-block;
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--white);
  background: var(--blue-main);
  padding: 10px 24px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(13, 44, 77, 0.18);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.learn-box a.btn-learn:hover {
  background: var(--blue-sky);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(13, 44, 77, 0.22);
}
.learn-box .note { font-size: 0.78rem; color: var(--text-sub); margin-top: 10px; }

/* まとめボックス */
.summary-box {
  background: var(--white);
  border: 2px solid var(--yellow);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-top: 2.4em;
}
.summary-box h2, .summary-box .box-title {
  border: none;
  background: none;
  padding: 0;
  margin: 0 0 10px;
  color: var(--yellow-deep);
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
}
.summary-box ul { padding-left: 1.3em; }

/* 前後ナビ */
.article-nav {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--sp-2) 20px var(--sp-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.88rem;
}
.article-nav a {
  color: var(--blue-main);
  font-family: var(--font-head);
  font-weight: 700;
  text-decoration: none;
  background: var(--white);
  border: 1px solid var(--blue-line);
  border-radius: 999px;
  padding: 10px 18px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.article-nav a:hover {
  border-color: var(--blue-sky);
  box-shadow: var(--shadow-s);
}
.article-nav .to-index {
  background: transparent;
  border-color: transparent;
  color: var(--text-sub);
}
.article-nav .to-index:hover {
  border-color: transparent;
  box-shadow: none;
  color: var(--blue-main);
}

/* ============================================
   レスポンシブ（〜720px）
   ============================================ */
@media (max-width: 720px) {
  html { scroll-padding-top: 108px; }

  .site-header .inner { padding: 8px 14px; justify-content: center; }
  .site-logo img { height: 30px; }
  .global-nav { gap: 0; justify-content: center; }
  .global-nav a { font-size: 0.78rem; padding: 6px 8px; }
  .global-nav a::after { left: 8px; right: 8px; }

  .hero { padding: 36px 20px 100px; }
  .hero .banner { margin-bottom: var(--sp-3); }
  .hero .catch-main { font-size: 1.32rem; }
  .hero .sub { font-size: 0.96rem; }
  .hero .catch-sub { font-size: 0.88rem; }
  .btn { padding: 14px 32px; }

  .section { padding: var(--sp-6) 0; }
  .section-title { font-size: 1.35rem; }

  .latest-card {
    flex-direction: column;
    padding: 28px 22px;
    gap: var(--sp-2);
  }
  .latest-card .char { flex: none; width: 116px; }
  .latest-card .char::before { width: 106px; height: 106px; }
  .latest-card h2 { font-size: 1.15rem; }

  .site-intro { padding: 28px 22px; }
  .site-intro h3 { font-size: 1.05rem; }

  .about-card { flex-direction: column; gap: var(--sp-3); }
  .about-card .char { flex: none; width: 170px; }
  .about-card .char::before { width: 158px; height: 158px; }

  .supervisor-card { padding: 26px 20px; }

  .article-hero { padding: 32px 20px; }
  .article-hero h1 { font-size: 1.25rem; }

  .article-body { padding-top: var(--sp-4); }
  .article-body h2 { font-size: 1.1rem; }

  .talk .avatar { width: 48px; height: 48px; }
  .talk .say { max-width: 100%; }
  .talk .say p { font-size: 0.92rem; }
  .woody-talk img { width: 64px; }

  .pull-quote { flex-direction: column; text-align: center; }

  .article-nav { flex-direction: column; align-items: stretch; text-align: center; }
  .article-nav .to-index { order: 3; }
}

/* ============================================
   TOP PAGE / READABILITY PASS
   補助情報もスマートフォンで13px未満にならないよう調整
   ============================================ */
.home-page .global-nav a { font-size: .88rem; }
.home-page .global-nav a span { font-size: .7rem; }
.home-page .hero-kicker { font-size: .8rem; }
.home-page .hero .credit { font-size: .76rem; line-height: 1.7; }
.home-page .eyebrow { font-size: .82rem; }
.home-page .latest-card .meta { font-size: .88rem; line-height: 1.7; }
.home-page .more-link { font-size: .96rem; }
.home-page .bn-card .bn-head span:first-child,
.home-page .bn-card .bn-head time { font-size: .86rem; line-height: 1.55; }
.home-page .bn-card p { font-size: .94rem; }
.home-page .bn-visual::after { font-size: .74rem; }
.home-page .bn-visual strong { font-size: .82rem; }
.home-page .bn-coming .coming-label { font-size: .82rem; }
.home-page .bn-coming time { font-size: .88rem; }
.home-page .bn-coming small { font-size: .84rem; line-height: 1.7; }
.home-page .supervisor-label span { font-size: .76rem; }
.home-page .site-footer .copy { font-size: .78rem; }

@media (max-width: 720px) {
  .home-page .hero-kicker { font-size: .72rem; }
  .home-page .hero .credit { font-size: .68rem; line-height: 1.65; }
  .home-page .eyebrow { font-size: .76rem; }
  .home-page .latest-card .meta { font-size: .82rem; }
  .home-page .bn-card .bn-head span:first-child,
  .home-page .bn-card .bn-head time { font-size: .82rem; }
  .home-page .bn-card p { font-size: .92rem; }
  .home-page .bn-visual strong { font-size: .78rem; }
}

/* ============================================
   TOP PAGE / UNIFIED TYPE SCALE
   最小16px。補助情報16px、リード18px、カード見出し20px。
   セクション見出しのみ画面幅に合わせて拡大する。
   ============================================ */
.home-page {
  --type-min: 1rem;        /* 16px: 日付・ラベル・注記 */
  --type-body: 1rem;       /* 16px: 本文 */
  --type-lead: 1.125rem;   /* 18px: リード・強調本文 */
  --type-card: 1.25rem;    /* 20px: カード見出し */
  font-size: 16px;
}

.home-page .global-nav a,
.home-page .global-nav a span,
.home-page .hero-kicker,
.home-page .hero .catch-sub,
.home-page .hero .credit,
.home-page .hero-scroll,
.home-page .eyebrow,
.home-page .section-heading.heading-inline > p,
.home-page .latest-card .meta,
.home-page .latest-card p.excerpt,
.home-page .label-new,
.home-page .more-link,
.home-page .site-intro p,
.home-page .bn-card .bn-head span:first-child,
.home-page .bn-card .bn-head time,
.home-page .bn-card p,
.home-page .bn-card .more-link,
.home-page .bn-visual::after,
.home-page .bn-visual strong,
.home-page .bn-coming,
.home-page .bn-coming .coming-label,
.home-page .bn-coming strong,
.home-page .bn-coming time,
.home-page .bn-coming small,
.home-page .about-card .body > p:not(.about-catch),
.home-page .profile-note,
.home-page .supervisor-label span,
.home-page .supervisor-name span,
.home-page .supervisor-title,
.home-page .supervisor-card p,
.home-page .register-copy p,
.home-page .register-copy a,
.home-page .site-footer,
.home-page .site-footer .copy,
.home-page small {
  font-size: var(--type-min);
}

.home-page .hero .sub,
.home-page .section-lead {
  font-size: var(--type-lead);
}

.home-page .latest-card h3,
.home-page .site-intro h3,
.home-page .bn-card h3,
.home-page .about-card h3 {
  font-size: var(--type-card);
}

@media (max-width: 720px) {
  .home-page .global-nav a,
  .home-page .global-nav a span,
  .home-page .hero-kicker,
  .home-page .hero .catch-sub,
  .home-page .hero .credit,
  .home-page .hero-scroll,
  .home-page .eyebrow,
  .home-page .latest-card .meta,
  .home-page .bn-card .bn-head span:first-child,
  .home-page .bn-card .bn-head time,
  .home-page .bn-card p,
  .home-page .bn-visual strong {
    font-size: var(--type-min);
  }
}

/* ============================================
   TOP PAGE / CHAPTER ARCHIVE
   12章×4節を章単位で開閉するバックナンバー
   ============================================ */
.home-page .archive-status {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}
.home-page .archive-status span {
  padding: 9px 17px;
  border-radius: 999px;
  background: var(--light-blue);
  font-size: var(--type-min);
  font-weight: 700;
}
.home-page .archive-status strong { color: var(--blue-main); }
.home-page .chapter-archive { display: grid; gap: 16px; }
.home-page .archive-chapter {
  overflow: hidden;
  border: 1px solid var(--blue-line);
  border-radius: 20px;
  background: #fff;
}
.home-page .archive-chapter[open] {
  border-color: #92c9eb;
  box-shadow: 0 16px 38px rgba(16,47,77,.08);
}
.home-page .archive-chapter summary {
  list-style: none;
  display: grid;
  grid-template-columns: 92px 1fr auto 42px;
  gap: 20px;
  align-items: center;
  min-height: 108px;
  padding: 18px 24px;
  cursor: pointer;
}
.home-page .archive-chapter summary::-webkit-details-marker { display: none; }
.home-page .archive-chapter summary:hover { background: #f7fbfe; }
.home-page .archive-chapter summary:focus-visible { outline: 3px solid var(--yellow); outline-offset: -4px; }
.home-page .archive-chapter-no {
  color: var(--blue-main);
  font: 900 28px/1 Arial, sans-serif;
}
.home-page .archive-chapter-title small { display: block; color: var(--muted); }
.home-page .archive-chapter-title strong { display: block; font: 700 22px/1.5 var(--font-head); }
.home-page .archive-chapter-count { color: var(--muted); font-size: var(--type-min); white-space: nowrap; }
.home-page .archive-toggle {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--light-blue);
  color: var(--blue-main);
  font-size: 24px;
  transition: transform .2s ease;
}
.home-page .archive-chapter[open] .archive-toggle { transform: rotate(45deg); }
.home-page .archive-episodes { margin: 0; padding: 0 24px 22px 116px; list-style: none; }
.home-page .archive-episodes li { border-top: 1px solid var(--blue-line); }
.home-page .archive-episodes a,
.home-page .archive-upcoming > div {
  display: grid;
  grid-template-columns: 82px 120px 1fr;
  gap: 18px;
  align-items: center;
  min-height: 78px;
  padding: 13px 4px;
  color: var(--ink);
  text-decoration: none;
}
.home-page .archive-episodes a:hover .archive-episode-title { color: var(--blue-main); }
.home-page .archive-episode-id { color: var(--blue-main); font-size: var(--type-min); font-weight: 700; }
.home-page .archive-episodes time,
.home-page .archive-date { color: var(--muted); font-size: var(--type-min); }
.home-page .archive-episode-title { font-size: var(--type-min); font-weight: 700; }
.home-page .archive-arrow { font-size: 22px; text-align: center; }
.home-page .archive-upcoming { background: #fafcfd; }
.home-page .archive-upcoming .archive-episode-title,
.home-page .archive-upcoming .archive-arrow { color: #71889a; }
.home-page .archive-future-note {
  margin: 24px 0 0;
  padding: 20px 22px;
  border-radius: 14px;
  background: var(--light-blue);
  color: var(--muted);
  font-size: var(--type-min);
  text-align: center;
}

/* ボタン形状・下線・配色だけでリンクであることを伝える */
.home-page .btn-primary {
  justify-content: center;
  gap: 0;
  padding: 17px 30px;
}
.home-page .more-link {
  border-bottom: 2px solid var(--ink);
}
.home-page .more-link::after { display: none; }
.home-page .register-copy a {
  justify-content: center;
  gap: 0;
  padding: 15px 24px;
}

/* 人物サイズは維持し、透過部分だけを背面と同じ青で見せる */
.home-page .about-card .char img {
  inset: auto auto -28px 50%;
  width: 310px;
  height: auto;
  background: transparent;
  object-fit: contain;
  transform: translateX(-50%);
}

@media (max-width: 720px) {
  .home-page .site-header .inner {
    min-height: 0;
    padding: 9px 14px;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 12px;
  }
  .home-page .site-logo { flex: 0 0 90px; margin: 0; }
  .home-page .site-logo img { width: 90px; }
  .home-page .global-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    flex: 1;
    width: auto;
    gap: 2px 8px;
  }
  .home-page .global-nav a { justify-content: center; min-height: 44px; padding: 4px 2px; border-radius: 7px; background: #f2f8fc; font-size: 16px; line-height: 1.35; letter-spacing: -.02em; text-align: center; }
  .home-page .hero .btn { font-size: 16px; }
  .home-page .about-card .char img {
    inset: auto auto -20px 50%;
    width: 225px;
    height: auto;
    transform: translateX(-50%);
  }
  .home-page .archive-chapter summary {
    grid-template-columns: 52px 1fr 38px;
    gap: 12px;
    min-height: 96px;
    padding: 15px 16px;
  }
  .home-page .archive-chapter-count { display: none; }
  .home-page .archive-chapter-title strong { font-size: 19px; }
  .home-page .archive-episodes { padding: 0 16px 14px; }
  .home-page .archive-episodes a,
  .home-page .archive-upcoming > div {
    grid-template-columns: 66px 1fr;
    gap: 10px;
    min-height: 94px;
    padding: 15px 0;
  }
  .home-page .archive-episodes time,
  .home-page .archive-date { grid-column: 2; grid-row: 2; }
  .home-page .archive-episode-title { grid-column: 2; grid-row: 1; }
}