:root {
  color-scheme: light;
  --paper: #f8f6f1;
  --white: #fcfbf8;
  --ink: #183640;
  --muted: #52666b;
  --teal: #174f5d;
  --sea: #2e7d86;
  --line: #d4d9d5;
  --copper: #c48a55;
  --serif: "Noto Serif JP", "Noto Serif CJK JP", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  --sans: "Noto Sans JP", "Noto Sans CJK JP", "Hiragino Sans", "Yu Gothic", Meiryo, system-ui, sans-serif;
  --latin: Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 1rem; }
body { margin: 0; font: 400 1rem/1.85 var(--sans); color: var(--ink); background: var(--paper); }
h1, h2, h3, p, figure, ol { margin: 0; }
a { color: inherit; text-underline-offset: .23em; }
a:focus-visible, summary:focus-visible { outline: 3px solid #a14a2b; outline-offset: 4px; }
.wrap { width: min(1180px, calc(100% - 2.5rem)); margin: 0 auto; }
.skip { position: absolute; left: .5rem; top: .3rem; z-index: 1; translate: 0 -165%; background: white; padding: .55rem .9rem; }
.skip:focus { translate: 0; }
.masthead { background: var(--white); border-bottom: 1px solid var(--line); }
.head-inner, .brand, .head-contact, .head-inner nav { display: flex; align-items: center; }
.head-inner { gap: 1.25rem; justify-content: space-between; min-height: 78px; padding-block: .75rem; }
.brand { gap: .55rem; color: #12384a; text-decoration: none; flex-shrink: 0; }
.brand img { width: 39px; height: 39px; }
.brand-name { display: grid; gap: .3rem; line-height: 1; }
.brand-name > span { color: #5b6b71; font-size: .6rem; letter-spacing: .24em; }
.brand-name b { font-size: .97rem; letter-spacing: .05em; }
.brand-name small { color: var(--sea); letter-spacing: .33em; font: 700 .58rem/1 var(--latin); }
.head-inner nav { display: none; }
.head-contact { gap: .7rem; padding: .45rem .75rem; min-height: 44px; text-decoration: none; font-size: .8rem; font-weight: 700; border: 1px solid #acb8b5; white-space: nowrap; }
.head-contact span { font-size: 1.05rem; color: var(--teal); }
.head-contact:hover, .text-link:hover { color: #103c49; background: #eaf0eb; }
.hero { display: grid; align-items: center; gap: 1.9rem; padding-block: 2rem 2.4rem; }
.eyebrow { display: flex; gap: .65rem; align-items: center; font: 700 .67rem/1.45 var(--latin); letter-spacing: .17em; color: var(--teal); }
.eyebrow > span { width: 1.5rem; height: 2px; background: var(--copper); flex: 0 0 auto; }
h1 { font: 700 clamp(2.05rem, 8.6vw, 4rem)/1.33 var(--serif); letter-spacing: .018em; margin: .9rem 0 1.1rem; color: #0d3442; }
h1 strong { color: var(--teal); font: inherit; }
.hero-lead { max-width: 33em; font-size: .98rem; line-height: 1.9; }
.call-set { margin-top: 1.45rem; display: flex; gap: .65rem 1rem; flex-wrap: wrap; align-items: center; }
.call { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: .55rem; padding: .7rem 1.2rem; background: var(--teal); color: #fff; text-decoration: none; font: 700 1.35rem/1.2 var(--latin); letter-spacing: .025em; border-radius: 2px; }
.call:hover { background: #103c49; }
.call-note { display: grid; line-height: 1.7; }
.call-note strong { font-size: .86rem; }
.call-note small { color: var(--muted); font-size: .8rem; }
.plate { width: 100%; background: #eaf0e5; border: 1px solid #bdcbc1; color: #3b615c; align-self: center; }
.plate img { display: block; width: 100%; height: auto; }
.plate-top, .plate figcaption { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.plate-top { padding: .8rem 1rem .7rem; border-bottom: 1px solid #cad7cd; font: 700 .62rem/1.4 var(--latin); letter-spacing: .16em; }
.plate figcaption { padding: .6rem 1rem; border-top: 1px solid #cad7cd; font-size: .72rem; letter-spacing: .05em; }
.plate figcaption span:first-child { font-weight: 700; }
.block { padding: 2.75rem 0; border-top: 1px solid var(--line); }
.section-intro h2, .contact h2 { font: 700 clamp(1.65rem, 4vw, 2.35rem)/1.5 var(--serif); letter-spacing: .025em; margin: .6rem 0; }
.section-intro > p:last-child:not(.eyebrow), .steps p, .symptom-list p, .questions p { color: var(--muted); }
.symptoms, .faq { background: var(--white); }
.symptom-list { display: grid; margin-top: 1.5rem; border-top: 1px solid #a9b9b6; }
.symptom-list article { display: grid; grid-template-columns: 46px 1fr; column-gap: .8rem; align-items: start; border-bottom: 1px solid var(--line); padding: 1.05rem 0; }
.symptom-list svg { width: 46px; height: 38px; grid-row: span 2; fill: none; stroke: var(--teal); stroke-width: 1.45; stroke-linejoin: round; stroke-linecap: round; }
.accent-stroke { stroke: #986939; }
h3 { font-size: 1.05rem; line-height: 1.65; }
.symptom-list p, .steps p, .questions p, .safety p { font-size: .95rem; }
.safety { margin-top: 1.45rem; padding: 1rem 1.2rem; background: #f1ede3; border-left: 3px solid var(--copper); }
.safety strong { font-size: .95rem; }
.safety p { margin-top: .18rem; }
.two-col { display: grid; gap: 1.5rem; }
.steps { padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 2.2rem 1fr; gap: .75rem; padding: 1.1rem 0; border-top: 1px solid var(--line); }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.stepno { display: inline-grid; place-content: center; width: 32px; height: 32px; background: #e4eae5; color: var(--teal); font: 700 .82rem/1 var(--latin); letter-spacing: .05em; }
.steps p { padding-top: .2rem; }
.questions details { border-top: 1px solid var(--line); }
.questions details:last-child { border-bottom: 1px solid var(--line); }
.questions summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: 1rem 0; font-weight: 700; font-size: 1rem; line-height: 1.7; }
.questions summary::-webkit-details-marker { display: none; }
.questions summary::after { content: "+"; color: var(--teal); font: 400 1.45rem/1 var(--latin); text-align: center; min-width: 1.2rem; }
.questions details[open] summary::after { content: "−"; }
.questions details > div { padding-bottom: 1.2rem; }
.questions .text-link { margin-top: .45rem; }
.text-link { display: inline-block; color: var(--teal); font-size: .85rem; font-weight: 700; }
.contact { color: white; background: var(--teal); padding: 2.65rem 0; }
.contact-inner { display: grid; gap: 1.1rem; }
.contact .eyebrow { color: #d2e8e5; }
.contact p:not(.eyebrow) { font-size: .93rem; }
.big-number { display: inline-block; font: 700 clamp(1.8rem, 7vw, 3.15rem)/1.4 var(--latin); text-decoration: underline; text-decoration-color: #9ebfbb; text-underline-offset: .16em; text-decoration-thickness: 1px; letter-spacing: .014em; }
.big-number:hover { text-decoration-color: white; }
.big-number:focus-visible { outline-color: white; }
.contact-call p { margin-top: .35rem; }
footer { padding: 2rem 0; font-size: .8rem; color: var(--muted); }
.footer-inner { display: grid; gap: 1.1rem; }
footer strong { font-size: 1.04rem; color: var(--ink); }
address { font-style: normal; margin-top: .3rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
@media (max-width: 359px) {
  .wrap { width: calc(100% - 2rem); }
  .head-inner { gap: .25rem; }
  .brand img { width: 31px; height: 31px; }
  .brand { gap: .32rem; }
  .brand-name b { font-size: .8rem; letter-spacing: 0; }
  .head-contact { padding-inline: .55rem; }
  .head-contact span { display: none; }
}
@media (min-width: 640px) {
  .wrap { width: min(1180px, calc(100% - 4.5rem)); }
  .head-inner { min-height: 84px; }
  .brand img { width: 46px; height: 46px; }
  .brand { gap: .75rem; }
  .brand-name b { font-size: 1.13rem; letter-spacing: .1em; }
  .head-contact { padding-inline: 1.05rem; }
  .hero { grid-template-columns: minmax(0,1fr) minmax(0,.95fr); gap: 1.65rem; padding-block: 3rem; }
  h1 { font-size: clamp(2rem, 4.2vw, 3.8rem); }
  .hero-lead { font-size: 1rem; }
  .block { padding-block: 3.65rem; }
  .symptom-list { grid-template-columns: repeat(3, minmax(0,1fr)); margin-top: 1.8rem; }
  .symptom-list article { display: block; padding: 1.2rem 1.15rem; border-right: 1px solid var(--line); }
  .symptom-list article:first-child { padding-left: 0; }
  .symptom-list article:last-child { border-right: 0; padding-right: 0; }
  .symptom-list svg { margin: 0 0 .55rem; }
  .symptom-list h3 { margin-bottom: .3rem; }
  .safety { display: flex; align-items: baseline; gap: 1.4rem; }
  .safety strong { flex-shrink: 0; }
  .safety p { margin: 0; }
  .contact-inner, .footer-inner { grid-template-columns: 1fr auto; align-items: center; }
}
@media (min-width: 900px) {
  .wrap { width: min(1180px, calc(100% - 6rem)); }
  .head-inner nav { display: flex; gap: 1.7rem; margin-left: auto; font-size: .86rem; font-weight: 600; }
  .head-inner nav a { text-decoration: none; padding: .6rem 0; }
  .head-inner nav a:hover { text-decoration: underline; }
  .head-inner { gap: 2.5rem; }
  .hero { grid-template-columns: 1fr .98fr; gap: clamp(2rem, 5.5vw, 5.75rem); padding-block: 3.7rem; }
  .hero .call-set { margin-top: 1.8rem; }
  .eyebrow { font-size: .7rem; }
  .plate-top, .plate figcaption { padding-inline: 1.2rem; }
  .block { padding-block: 4rem; }
  .two-col { grid-template-columns: minmax(200px,.78fr) minmax(0,1.55fr); gap: clamp(2.5rem, 7vw, 6.5rem); }
  .section-intro > p:last-child { max-width: 45em; }
  .symptom-list article { padding: 1.5rem 2.15rem; }
  .contact { padding-block: 3.35rem; }
  .contact-call { padding-left: 2.4rem; border-left: 1px solid #57808a; }
}
@media print {
  .head-inner nav, .head-contact, .skip { display: none; }
  .hero, .block, .contact, footer { padding-block: 1.2rem; }
  .hero { grid-template-columns: 1.3fr 1fr; }
  .contact, .call { background: white; color: var(--ink); }
  .contact .eyebrow { color: var(--ink); }
  .symptom-list article, .steps li, .questions details, .plate { break-inside: avoid; }
}

.region-crumb { padding-top: 1rem; font-size: .8125rem; color: var(--muted); }