:root {
  --color-bg: #fff8df;
  --color-paper: #fffdf2;
  --color-yellow: #ffe45c;
  --color-red: #ff6258;
  --color-orange: #f39134;
  --color-cyan: #42d6d0;
  --color-navy: #10233f;
  --color-ink: #111827;
  --color-border: #111827;
  --shadow-pop: 0 8px 0 rgba(17, 24, 39, 0.18);
  --radius-pop: 24px;
  --bg: var(--color-bg);
  --surface: var(--color-paper);
  --surface-soft: #fff0a7;
  --text: var(--color-navy);
  --muted: #4d5b6e;
  --line: var(--color-border);
  --accent: #0e908a;
  --accent-dark: #08736e;
  --accent-soft: #d9fbf8;
  --warn: #c44d19;
  --shadow: var(--shadow-pop);
  --radius: var(--radius-pop);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  font-family: "Hiragino Maru Gothic ProN", "Hiragino Sans", "Yu Gothic", "YuGothic", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12px 12px, rgba(255, 228, 92, .55) 0 3px, transparent 4px) 0 0 / 34px 34px,
    var(--color-bg);
  line-height: 1.75;
}
a { color: var(--accent-dark); text-decoration: none; font-weight: 900; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.narrow { max-width: 820px; }
.hero-copy,
.hero-visual,
.split > *,
.form-layout > *,
.article-layout > *,
.card,
.article-card,
.section-heading,
.article-body,
.page-hero .container > * { min-width: 0; }
h1, h2, h3, p, li, a, span, strong, em { overflow-wrap: anywhere; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--color-ink); color: #fff; padding: 8px 12px; z-index: 100; }
.skip-link:focus { left: 8px; }
:focus-visible { outline: 4px solid var(--color-cyan); outline-offset: 4px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 253, 242, .96);
  border-bottom: 4px solid var(--color-border);
  box-shadow: 0 4px 0 rgba(17, 24, 39, .08);
  backdrop-filter: blur(12px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 24px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; color: var(--text); font-weight: 900; }
.brand:hover { text-decoration: none; }
.brand-logo { display: block; width: auto; height: 60px; max-width: min(210px, 52vw); object-fit: contain; }
.brand-mark,
.brand-name,
.brand-sub { display: none; }
.global-nav { display: flex; align-items: center; gap: 10px; font-size: .92rem; font-weight: 900; }
.global-nav a {
  color: var(--text);
  padding: 8px 12px;
  border: 2px solid transparent;
  border-radius: 999px;
}
.global-nav a:hover { color: var(--text); background: var(--color-yellow); border-color: var(--color-border); text-decoration: none; }
.nav-toggle { display: none; }

h1, h2, h3 { line-height: 1.25; letter-spacing: 0; font-weight: 900; }
h1 { margin: 0 0 18px; font-size: clamp(2.25rem, 6vw, 4.8rem); }
h2 { margin: 0 0 16px; font-size: clamp(1.55rem, 3vw, 2.45rem); }
h3 { margin: 0 0 10px; font-size: 1.25rem; }
p { margin: 0 0 1em; }
.lead { max-width: 720px; color: var(--color-navy); font-size: clamp(1.05rem, 2vw, 1.25rem); font-weight: 800; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--color-navy);
  font-size: .86rem;
  font-weight: 900;
}
.eyebrow::before { content: ""; width: 18px; height: 18px; border-radius: 50%; background: var(--color-orange); border: 3px solid var(--color-border); }
.mini-label { color: var(--warn); font-size: .86rem; font-weight: 900; margin-bottom: 8px; }
.trust-note, .small { color: var(--muted); font-size: .92rem; }

.hero { position: relative; padding: 68px 0 54px; }
.hero-manga {
  margin: 18px auto 0;
  width: min(1180px, calc(100% - 24px));
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 86% 24%, rgba(255, 227, 90, .25) 0 9%, transparent 10%),
    repeating-linear-gradient(105deg, transparent 0 22px, rgba(17, 24, 39, .08) 23px 25px),
    var(--color-red);
  border: 4px solid var(--color-border);
  border-radius: 0 0 34px 34px;
  box-shadow: var(--shadow-pop);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .78fr); gap: clamp(24px, 5vw, 56px); align-items: center; }
.hero-manga .eyebrow,
.hero-manga .lead,
.hero-manga .trust-note { color: #fffdf2; text-shadow: 0 2px 0 rgba(17, 24, 39, .35); }
.hero-title-pop {
  max-width: 640px;
  color: var(--color-yellow);
  font-size: clamp(3rem, 8vw, 6.2rem);
  line-height: .98;
  text-shadow:
    4px 0 0 var(--color-border),
    -4px 0 0 var(--color-border),
    0 4px 0 var(--color-border),
    0 -4px 0 var(--color-border),
    6px 7px 0 rgba(17, 24, 39, .3);
}
.hero-actions, .form-actions, .section-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 26px 0 12px; }
.section-actions { justify-content: center; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 13px 24px;
  border: 3px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-navy);
  background: #fff;
  box-shadow: 0 5px 0 var(--color-border);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.button:hover { transform: translateY(3px); box-shadow: 0 2px 0 var(--color-border); text-decoration: none; }
.button:active { transform: translateY(5px); box-shadow: 0 0 0 var(--color-border); }
.button.primary,
.button.primary-button,
.button.light,
.pop-button { background: var(--color-cyan); color: var(--color-navy); }
.button.secondary { background: var(--color-yellow); color: var(--color-navy); }
.button.ghost { background: #fffdf2; color: var(--color-navy); }
.button.full { width: 100%; }

.hero-visual {
  position: relative;
  min-height: 430px;
  background: #ffd45a;
  border-radius: 28px;
  overflow: hidden;
}
.comic-panel,
.manga-panel,
.manga-card,
.card,
.article-card {
  background: var(--color-paper);
  border: 3px solid var(--color-border);
  border-radius: var(--radius-pop);
  box-shadow: var(--shadow-pop);
}
.burst {
  position: absolute;
  inset: 20px;
  background: repeating-conic-gradient(from 8deg, rgba(255, 98, 88, .45) 0 9deg, transparent 10deg 18deg);
  clip-path: polygon(50% 0, 58% 36%, 98% 12%, 66% 45%, 100% 50%, 66% 55%, 98% 88%, 58% 64%, 50% 100%, 42% 64%, 2% 88%, 34% 55%, 0 50%, 34% 45%, 2% 12%, 42% 36%);
  opacity: .65;
}
.illustration {
  display: block;
  max-width: 100%;
  height: auto;
}
.hero-character {
  position: absolute;
  right: clamp(-12px, 1vw, 18px);
  bottom: 0;
  z-index: 3;
  width: min(420px, 45vw);
  height: auto;
}
.hero-speech {
  position: absolute;
  top: 24px;
  left: 24px;
  z-index: 4;
  width: clamp(96px, 12vw, 154px);
  height: auto;
  filter: drop-shadow(4px 5px 0 rgba(17, 24, 39, .25));
}
.speech-bubble {
  position: absolute;
  top: 24px;
  left: 20px;
  z-index: 2;
  max-width: 155px;
  padding: 18px 20px;
  color: var(--color-ink);
  background: #fff;
  border: 3px solid var(--color-border);
  border-radius: 52% 48% 54% 46%;
  box-shadow: 0 4px 0 var(--color-border);
  font-size: 1.5rem;
  font-weight: 900;
  text-align: center;
}
.speech-bubble::after {
  content: "";
  position: absolute;
  right: 20px;
  bottom: -17px;
  width: 28px;
  height: 28px;
  background: #fff;
  border-right: 3px solid var(--color-border);
  border-bottom: 3px solid var(--color-border);
  transform: rotate(45deg);
}
.small-bubble { position: relative; top: auto; left: auto; max-width: none; margin: 18px 0; font-size: 1rem; }
.comic-person { position: absolute; right: 18px; bottom: 0; width: 190px; height: 295px; }
.person-hair { position: absolute; left: 28px; top: 5px; width: 135px; height: 150px; background: #b87850; border: 3px solid var(--color-border); border-radius: 72px 72px 56px 56px; }
.person-face { position: absolute; left: 49px; top: 42px; width: 94px; height: 102px; background: #ffd3b6; border: 3px solid var(--color-border); border-radius: 50%; }
.person-face::before { content: "・・"; position: absolute; left: 26px; top: 27px; color: var(--color-border); font-weight: 900; }
.person-face::after { content: ""; position: absolute; left: 36px; top: 62px; width: 28px; height: 16px; border-bottom: 4px solid var(--color-border); border-radius: 0 0 28px 28px; }
.person-body { position: absolute; left: 28px; bottom: -18px; width: 135px; height: 160px; background: var(--color-yellow); border: 3px solid var(--color-border); border-radius: 58px 58px 0 0; }
.phone-bill {
  position: absolute;
  left: 34px;
  bottom: 38px;
  z-index: 2;
  width: 176px;
  min-height: 230px;
  padding: 32px 16px 18px;
  color: var(--color-navy);
  background: #e9fffd;
  border: 4px solid var(--color-border);
  border-radius: 26px;
  transform: rotate(-5deg);
  box-shadow: 7px 8px 0 rgba(17, 24, 39, .2);
}
.phone-speaker { position: absolute; top: 13px; left: 50%; width: 52px; height: 7px; background: var(--color-border); border-radius: 999px; transform: translateX(-50%); }
.phone-bill strong { display: block; font-size: .95rem; }
.phone-bill em { display: block; margin: 12px 0 18px; color: var(--color-red); font-style: normal; font-size: 1.85rem; font-weight: 900; }
.bill-line { display: block; height: 10px; margin-top: 11px; background: rgba(16, 35, 63, .18); border-radius: 999px; }
.bill-line.short { width: 66%; }

.wavy-divider {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 24px;
  background: radial-gradient(18px 18px at 18px 0, transparent 17px, var(--color-paper) 18px) 0 0 / 36px 24px repeat-x;
}
.zigzag-divider {
  height: 18px;
  margin: -68px 0 48px;
  background: linear-gradient(135deg, var(--color-border) 25%, transparent 25%) 0 0 / 18px 18px, linear-gradient(225deg, var(--color-border) 25%, transparent 25%) 0 0 / 18px 18px;
}

.section { position: relative; padding: 68px 0; }
.section.alt { background: var(--color-yellow); border-top: 3px solid var(--color-border); border-bottom: 3px solid var(--color-border); }
.pop-section { background: linear-gradient(180deg, var(--color-paper), #fff7cb); }
.section-heading { max-width: 760px; margin-bottom: 30px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.marker-heading { display: inline; background: linear-gradient(transparent 56%, var(--color-yellow) 56%); box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.card-grid { display: grid; gap: 20px; }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card, .article-card { padding: 24px; }
.feature-card { position: relative; overflow: hidden; }
.feature-card::after {
  content: "";
  position: absolute;
  right: -38px;
  top: -38px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: var(--color-yellow);
  border: 3px solid var(--color-border);
}
.feature-card a { position: relative; z-index: 1; }
.service-icon {
  position: relative;
  z-index: 1;
  display: block;
  width: 120px;
  max-width: 42vw;
  height: auto;
  margin: 0 0 16px;
  filter: drop-shadow(4px 5px 0 rgba(17, 24, 39, .18));
}
.pop-icon {
  position: relative;
  z-index: 1;
  display: inline-grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin-bottom: 14px;
}
.phone-icon::before {
  content: "";
  width: 42px;
  height: 62px;
  background: #dffdfb;
  border: 4px solid var(--color-border);
  border-radius: 10px;
  box-shadow: inset 0 -9px 0 var(--color-cyan);
}
.phone-icon::after { content: ""; position: absolute; bottom: 12px; width: 7px; height: 7px; background: var(--color-border); border-radius: 50%; }
.wifi-icon::before,
.wifi-icon::after {
  content: "";
  position: absolute;
  border: 5px solid var(--color-border);
  border-bottom: 0;
  border-radius: 70px 70px 0 0;
}
.wifi-icon::before { width: 64px; height: 34px; top: 12px; }
.wifi-icon::after { width: 38px; height: 20px; top: 31px; border-color: var(--color-cyan); }
.wifi-icon { background: radial-gradient(circle at 50% 58px, var(--color-border) 0 6px, transparent 7px); }
.gas-icon::before {
  content: "";
  width: 44px;
  height: 56px;
  background: linear-gradient(180deg, var(--color-red), var(--color-orange));
  border: 4px solid var(--color-border);
  border-radius: 50% 50% 44% 44%;
  clip-path: polygon(50% 0, 80% 24%, 94% 54%, 82% 100%, 18% 100%, 6% 54%, 30% 22%);
}

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .85fr); gap: 38px; align-items: center; }
.priority-grid {
  display: grid;
  grid-template-columns: minmax(220px, .45fr) minmax(0, .72fr) minmax(300px, .8fr);
  gap: 28px;
  align-items: center;
}
.priority-visual {
  display: grid;
  place-items: end center;
  min-height: 390px;
  padding: 18px 18px 0;
  background: #fff5b8;
  overflow: hidden;
}
.priority-illustration {
  width: min(280px, 100%);
  margin-bottom: -8px;
  filter: drop-shadow(5px 6px 0 rgba(17, 24, 39, .16));
}
.check-list { padding: 0; list-style: none; display: grid; gap: 10px; margin: 20px 0; }
.check-list li { position: relative; padding-left: 34px; font-weight: 900; }
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: var(--color-red);
  background: #fff;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  line-height: 1;
}
.check-card { padding: 20px; background: #fff; border: 3px solid var(--color-border); border-radius: 18px; box-shadow: var(--shadow-pop); }
.result-preview { position: relative; display: grid; gap: 10px; overflow: hidden; }
.priority-row { display: grid; grid-template-columns: 48px 1fr auto; gap: 12px; align-items: center; padding: 12px; background: #fff; border: 3px solid var(--color-border); border-radius: 16px; }
.priority-row strong { color: var(--color-red); }
.priority-row em { font-style: normal; color: var(--warn); font-weight: 900; white-space: nowrap; }
.mini-character { position: absolute; right: 12px; bottom: -30px; width: 110px; height: 120px; opacity: .25; }
.mini-character span,
.mini-character::before,
.mini-character::after { content: ""; position: absolute; border: 3px solid var(--color-border); }
.mini-character span { left: 34px; top: 0; width: 48px; height: 48px; border-radius: 50%; background: #ffd3b6; }
.mini-character::before { left: 18px; top: 44px; width: 80px; height: 92px; border-radius: 42px 42px 0 0; background: var(--color-red); }
.mini-character::after { left: 58px; top: 54px; width: 32px; height: 50px; border-radius: 8px; background: var(--color-cyan); transform: rotate(-10deg); }

.article-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.trouble-list { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.article-card { display: block; color: var(--text); background: #fff; transition: transform .15s ease, box-shadow .15s ease; }
.article-card:hover { transform: translateY(3px); box-shadow: 0 4px 0 rgba(17, 24, 39, .18); text-decoration: none; }
.article-card span {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 4px 10px;
  color: var(--color-navy);
  background: var(--color-yellow);
  border: 2px solid var(--color-border);
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 900;
}
.trouble-card { min-height: 100%; }
.trouble-card::before { content: "！"; display: inline-grid; place-items: center; width: 38px; height: 38px; margin-bottom: 12px; color: #fff; background: var(--color-red); border: 3px solid var(--color-border); border-radius: 50%; font-weight: 900; }
.compact-list { margin-top: 24px; }
.trouble-section .container { position: relative; }
.trouble-illustrations {
  pointer-events: none;
  position: absolute;
  inset: 0;
}
.trouble-illustration {
  position: absolute;
  width: clamp(92px, 13vw, 150px);
  filter: drop-shadow(4px 5px 0 rgba(17, 24, 39, .16));
}
.trouble-woman { left: 0; top: 4px; }
.trouble-man { right: 0; top: 18px; }
.trouble-section .section-heading { position: relative; z-index: 1; padding-inline: clamp(0px, 14vw, 150px); }
.trouble-list { position: relative; z-index: 1; }

.cta-band {
  color: #fff;
  background:
    radial-gradient(circle at 82% 10%, rgba(255, 228, 92, .35), transparent 24%),
    var(--color-red);
  border-top: 4px solid var(--color-border);
  border-bottom: 4px solid var(--color-border);
}
.cta-band .eyebrow,
.cta-band p,
.cta-band h2 { color: #fff; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cta-inner > div { max-width: 720px; }
.final-cta-illustration {
  align-self: end;
  width: min(300px, 30vw);
  margin-bottom: -68px;
  filter: drop-shadow(6px 7px 0 rgba(17, 24, 39, .2));
}

.page-hero {
  padding: 58px 0 44px;
  background: linear-gradient(180deg, #fff4bd, var(--color-bg));
  border-bottom: 3px solid var(--color-border);
}
.page-hero.compact h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
.article-hero .narrow,
.diagnosis-hero .container > div:first-child {
  padding: 26px;
  background: var(--color-paper);
  border: 3px solid var(--color-border);
  border-radius: var(--radius-pop);
  box-shadow: var(--shadow-pop);
}
.diagnosis-card { display: grid; place-items: center; padding: 26px; background: var(--color-cyan); overflow: hidden; text-align: center; }
.diagnosis-card strong { display: block; font-size: 1.55rem; }
.diagnosis-illustration {
  width: min(190px, 72%);
  max-height: 360px;
  object-fit: contain;
  margin: -12px auto 14px;
  filter: drop-shadow(5px 6px 0 rgba(17, 24, 39, .18));
}

.form-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 340px); gap: 24px; align-items: start; }
.diagnosis-form { background: #fff; }
.form-intro { margin-bottom: 18px; }
fieldset { border: 0; padding: 0; margin: 0 0 24px; }
legend { display: inline-flex; margin-bottom: 14px; padding: 4px 12px; background: var(--color-yellow); border: 2px solid var(--color-border); border-radius: 999px; font-weight: 900; font-size: 1.05rem; }
label { display: grid; gap: 8px; color: var(--color-navy); font-weight: 900; }
input, select, textarea {
  width: 100%;
  min-height: 52px;
  border: 3px solid var(--color-border);
  border-radius: 16px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 800;
  background: #fff;
  color: var(--text);
  box-shadow: inset 0 -3px 0 rgba(17, 24, 39, .08);
}
input:focus, select:focus, textarea:focus { outline: 4px solid rgba(66, 214, 208, .45); border-color: var(--color-border); }
.input-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.side-note { position: sticky; top: 98px; background: #fff; }
.result-section[hidden] { display: none; }
.result-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 260px);
  gap: 24px;
  align-items: end;
}
.result-box { padding: 30px; background: #fff; }
.result-illustration {
  justify-self: center;
  width: min(240px, 100%);
  filter: drop-shadow(5px 6px 0 rgba(17, 24, 39, .18));
}
.result-total { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: end; border-bottom: 3px dashed var(--color-border); padding-bottom: 22px; margin-bottom: 22px; }
.result-amount { font-size: clamp(2rem, 5vw, 3.3rem); color: var(--color-red); font-weight: 900; line-height: 1; text-shadow: 2px 2px 0 var(--color-yellow); }
.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; margin-top: 20px; }
.result-card { background: #fffdf2; border: 3px solid var(--color-border); border-radius: 18px; padding: 18px; box-shadow: 0 5px 0 rgba(17, 24, 39, .16); }
.result-card strong { display: block; margin-bottom: 6px; font-size: 1.2rem; }
.result-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; align-items: start; }
.article-body { background: #fff; border: 3px solid var(--color-border); border-radius: var(--radius-pop); padding: clamp(22px, 4vw, 40px); box-shadow: var(--shadow-pop); overflow-wrap: anywhere; }
.article-body h2 { display: inline; margin-top: 38px; padding: 0 .15em; background: linear-gradient(transparent 55%, var(--color-yellow) 55%); box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.article-body h2:first-child { margin-top: 0; }
.article-body h2 + p { margin-top: 18px; }
.article-body h3 { position: relative; padding-left: 18px; }
.article-body h3::before { content: ""; position: absolute; left: 0; top: .35em; width: 8px; height: 1.2em; background: var(--color-red); border-radius: 999px; }
.article-body p { font-size: 1.03rem; }
.article-body table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.article-body th,
.article-body td { min-width: 140px; border: 2px solid var(--color-border); padding: 10px; background: #fff; }
.ad-disclosure { padding: 12px 14px; border-radius: 14px; background: #fff3bd; color: #7a3f00; border: 3px solid var(--color-border); font-weight: 900; margin-bottom: 26px; }
.article-meta {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
  padding: 8px 12px;
  border: 2px solid var(--color-border);
  border-radius: 999px;
  background: #fff;
  color: var(--color-navy);
  font-size: .92rem;
  font-weight: 800;
}
.answer-box,
.editorial-note,
.related-guide,
.faq-section {
  margin: 1.6rem 0;
  padding: 1.2rem;
  border: 3px solid var(--color-border);
  border-radius: 18px;
  background: var(--color-paper);
  box-shadow: 0 5px 0 rgba(17, 24, 39, .16);
}
.answer-label {
  display: inline-flex;
  margin: 0 0 .7rem;
  padding: .25rem .65rem;
  border: 2px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-yellow);
  color: var(--color-ink);
  font-weight: 900;
}
.answer-box ul,
.source-list {
  margin: 0;
  padding-left: 1.2rem;
}
.source-list li { margin: .35rem 0; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 900;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}
.diagnosis-cta {
  margin: 2rem 0;
  padding: 1.4rem;
}
.diagnosis-cta .button { margin-top: .5rem; }
.article-list-card { min-height: 100%; }
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.tool-card {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 4vw, 28px);
  background: #fff;
}
.tool-card h3 { margin: 0; font-size: clamp(1.35rem, 3vw, 2rem); }
.tool-card .button { align-self: end; width: fit-content; }
.topic-card {
  display: block;
  padding: 1.1rem;
  border: 3px solid var(--color-border);
  border-radius: 18px;
  background: #fff;
  color: var(--text);
  box-shadow: 0 5px 0 rgba(17, 24, 39, .16);
  text-decoration: none;
}
.topic-card:hover { transform: translateY(2px); box-shadow: 0 3px 0 rgba(17, 24, 39, .16); text-decoration: none; }
.topic-card h3 { margin-top: 0; }
.affiliate-box {
  margin: 2rem 0;
  padding: 1.5rem;
  border: 3px solid var(--color-border);
  border-radius: var(--radius-pop);
  background: var(--color-paper);
  box-shadow: var(--shadow-pop);
}
.affiliate-box .pr-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 0.75rem;
  padding: 0.25rem 0.65rem;
  border: 2px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-yellow);
  color: var(--color-ink);
  font-weight: 800;
  font-size: 0.85rem;
}
.affiliate-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}
.affiliate-card {
  padding: 1.2rem;
  border: 3px solid var(--color-border);
  border-radius: 20px;
  background: #fff;
}
.affiliate-link { margin-top: 1rem; }
.affiliate-link a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  padding: 0.9rem 1.4rem;
  border: 3px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-red);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 6px 0 var(--color-border);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.affiliate-link a:hover {
  transform: translateY(3px);
  box-shadow: 0 3px 0 var(--color-border);
}
.affiliate-note {
  margin-top: 0.8rem;
  font-size: 0.9rem;
  color: var(--color-navy);
}
.affiliate-box img {
  width: 1px;
  height: 1px;
}
.article-cta { position: relative; margin-top: 40px; background: var(--accent-soft); overflow: hidden; }
.article-cta .button { position: relative; z-index: 1; }
.article-cta-illustration {
  float: right;
  width: min(180px, 34vw);
  margin: -10px 0 14px 18px;
  filter: drop-shadow(4px 5px 0 rgba(17, 24, 39, .15));
}
.article-cta-icon {
  float: right;
  width: min(132px, 28vw);
  margin: 0 0 14px 18px;
  filter: drop-shadow(4px 5px 0 rgba(17, 24, 39, .15));
}
.article-sidebar { display: grid; gap: 16px; }
.sticky-card { position: sticky; top: 98px; background: #fff; }
.side-links { display: grid; gap: 10px; }
.prose-card h2 { margin-top: 28px; }
.info-list { display: grid; grid-template-columns: 140px 1fr; gap: 10px 16px; }
.info-list dt { font-weight: 900; color: var(--muted); }
.info-list dd { margin: 0; }
.notice-box { margin-top: 20px; padding: 16px; border: 3px solid var(--color-border); background: #fff3bd; border-radius: 16px; color: #6b4b00; }
code { background: #fff3bd; border: 2px solid var(--color-border); border-radius: 6px; padding: 2px 5px; }
.contact-form { display: grid; gap: 16px; }
.contact-form label { display: grid; gap: 8px; font-weight: 900; }
.contact-form textarea { resize: vertical; }
.checkbox-label {
  display: flex !important;
  grid-template-columns: none;
  align-items: center;
  gap: 10px;
}
.checkbox-label input { width: auto; }
.form-status { min-height: 1.5em; font-weight: 900; color: var(--color-navy); }
.form-status.is-error { color: #b42318; }
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.simulator-form {
  display: grid;
  gap: 18px;
  margin-bottom: 2rem;
  padding: clamp(20px, 4vw, 30px);
  background: #fff;
}
.simulator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.cost-result {
  margin: 2rem 0;
  padding: clamp(20px, 4vw, 32px);
  background: var(--color-paper);
}
.cost-result[hidden] { display: none; }
.cost-total {
  margin: 0 0 1rem;
  color: var(--color-red);
  font-size: clamp(2rem, 6vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  text-shadow: 2px 2px 0 var(--color-yellow);
}
.cost-breakdown {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 1.2rem 0;
}
.cost-breakdown > div {
  padding: 16px;
  border: 3px solid var(--color-border);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 5px 0 rgba(17, 24, 39, .14);
}
.cost-breakdown span {
  display: block;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 900;
}
.cost-breakdown strong {
  display: block;
  color: var(--color-navy);
  font-size: 1.25rem;
}
.cost-advice {
  margin-top: 1rem;
  padding: 18px;
  border: 3px solid var(--color-border);
  border-radius: 18px;
  background: #fff8cf;
}
.cost-checklist { margin-bottom: 0; }
.range-note {
  padding: 12px 14px;
  border: 3px solid var(--color-border);
  border-radius: 16px;
  background: #fff;
  color: var(--color-navy);
  font-weight: 800;
}
.simulator-cta {
  margin-top: 1.5rem;
  padding: 20px;
  border: 3px solid var(--color-border);
  border-radius: 20px;
  background: var(--accent-soft);
}
.wifi-checker-form {
  position: relative;
  overflow: hidden;
}
.wifi-checker-form::after {
  content: "";
  position: absolute;
  right: -36px;
  bottom: -36px;
  width: 140px;
  height: 140px;
  border: 4px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-cyan);
  opacity: .22;
  pointer-events: none;
}
.wifi-checker-grid select {
  min-height: 52px;
}
.wifi-result {
  margin: 2rem 0;
  padding: clamp(20px, 4vw, 32px);
  background: var(--color-paper);
}
.wifi-result[hidden] { display: none; }
.result-type-card {
  padding: clamp(18px, 4vw, 26px);
  border: 3px solid var(--color-border);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 6px 0 rgba(17, 24, 39, .16);
}
.result-type-card h2 {
  display: block;
  margin: .5rem 0 0;
  padding: 0;
  background: none;
  color: var(--color-red);
  font-size: clamp(1.7rem, 5vw, 2.8rem);
  text-shadow: 2px 2px 0 var(--color-yellow);
}
.result-reason {
  margin: 1rem 0 0;
  font-weight: 800;
}
.result-advice {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.result-advice > * {
  min-width: 0;
}
.result-advice h3 {
  margin: 0 0 .5rem;
}
.result-advice ul {
  margin: 0 0 1rem;
  padding: 16px 18px 16px 34px;
  border: 3px solid var(--color-border);
  border-radius: 18px;
  background: #fff8cf;
}
.result-links {
  margin-top: 18px;
}
.result-pr-box {
  margin-top: 1.5rem;
}
.wifi-comparison-table {
  margin: 1.2rem 0 2rem;
  overflow-x: auto;
}
.wifi-comparison-table table {
  min-width: 680px;
  width: 100%;
}
.wifi-comparison-table th {
  background: var(--color-yellow);
}

.site-footer { padding: 48px 0 26px; background: #0d241f; color: rgba(255,255,255,.86); border-top: 4px solid var(--color-border); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 32px; }
.footer-brand { color: #fff; font-weight: 900; font-size: 1.35rem; }
.footer-nav { display: grid; gap: 10px; }
.footer-nav a { color: rgba(255,255,255,.94); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.18); margin-top: 30px; padding-top: 20px; color: rgba(255,255,255,.65); }

@media (max-width: 960px) {
  .trouble-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .priority-grid { grid-template-columns: minmax(180px, .42fr) minmax(0, 1fr); }
  .priority-grid .result-preview { grid-column: 1 / -1; }
  .global-nav { gap: 4px; font-size: .86rem; }
  .global-nav a { padding: 6px 8px; }
  .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .container { width: min(100% - 24px, var(--max)); }
  .header-inner { min-height: 70px; gap: 14px; }
  .brand-logo { height: 48px; max-width: 168px; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; border: 3px solid var(--color-border); border-radius: 999px; padding: 8px 12px; background: var(--color-yellow); box-shadow: 0 3px 0 var(--color-border); color: var(--color-navy); font-weight: 900; }
  .global-nav { display: none; position: absolute; top: 70px; left: 12px; right: 12px; background: #fff; border: 3px solid var(--color-border); border-radius: 18px; padding: 14px; box-shadow: var(--shadow-pop); }
  .global-nav.is-open { display: grid; }
  .hero { padding: 42px 0 46px; }
  .hero-manga { width: min(100% - 12px, 1180px); margin-top: 8px; border-radius: 0 0 24px 24px; }
  .hero-grid, .split, .priority-grid, .form-layout, .article-layout, .footer-grid, .result-layout, .result-advice { grid-template-columns: 1fr; }
  h1, h2, h3, p, li { word-break: break-all; line-break: anywhere; }
  .hero-title-pop { font-size: clamp(2.45rem, 10.5vw, 3rem); text-shadow: 3px 0 0 var(--color-border), -3px 0 0 var(--color-border), 0 3px 0 var(--color-border), 0 -3px 0 var(--color-border), 5px 6px 0 rgba(17, 24, 39, .25); }
  .hero-visual { min-height: 420px; }
  .hero-character { width: min(350px, 86vw); right: -18px; }
  .hero-speech { top: 18px; left: 18px; width: clamp(92px, 28vw, 128px); }
  .comic-person { width: 150px; height: 245px; }
  .phone-bill { left: 18px; bottom: 28px; width: 150px; min-height: 206px; }
  .service-icon { width: 96px; }
  .card-grid.three, .article-list, .result-grid, .compact-list, .related-grid, .tool-grid, .simulator-grid, .cost-breakdown { grid-template-columns: 1fr; }
  .priority-visual { order: 3; min-height: 280px; }
  .priority-illustration { width: min(220px, 70vw); }
  .trouble-illustrations {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: end;
    margin-bottom: 12px;
  }
  .trouble-illustration { position: static; width: min(112px, 30vw); }
  .trouble-section .section-heading { padding-inline: 0; }
  .final-cta-illustration { width: min(220px, 62vw); margin: 0 auto -50px; }
  .diagnosis-illustration { width: min(160px, 52vw); max-height: 310px; }
  .result-illustration { width: min(190px, 58vw); }
  .side-note, .sticky-card { position: static; }
  .cta-inner { display: grid; }
  .input-grid { grid-template-columns: 1fr; }
  .affiliate-grid { grid-template-columns: 1fr; }
  .tool-card .button, .simulator-form .button, .simulator-cta .button { width: 100%; }
  .section { padding: 50px 0; }
  .zigzag-divider { margin: -50px 0 34px; }
}

@media (max-width: 520px) {
  body { line-height: 1.7; }
  h1 { font-size: clamp(2rem, 12vw, 3.2rem); }
  h2 { font-size: clamp(1.4rem, 8vw, 2rem); }
  .button { width: 100%; min-height: 54px; padding-inline: 18px; }
  .brand-logo { height: 43px; max-width: 154px; }
  .hero-manga .lead { font-size: 1rem; }
  .hero-visual { min-height: 360px; }
  .hero-character { width: min(300px, 88vw); }
  .hero-speech { width: 96px; }
  .speech-bubble { top: 16px; left: 14px; padding: 14px 16px; font-size: 1.15rem; }
  .comic-person { right: -8px; transform: scale(.82); transform-origin: right bottom; }
  .phone-bill { left: 14px; bottom: 22px; transform: rotate(-4deg) scale(.72); transform-origin: left bottom; }
  .service-icon { width: 88px; }
  .priority-row { grid-template-columns: 42px 1fr; }
  .priority-row em { grid-column: 2; }
  .result-total { grid-template-columns: 1fr; }
  .info-list { grid-template-columns: 1fr; }
  .article-body { padding: 20px; }
  .affiliate-link a { width: 100%; min-width: 0; }
  .article-cta-illustration,
  .article-cta-icon { float: none; width: min(128px, 42vw); margin: 0 0 14px; }
}